Guilty or innocent? A look back at how we got here as Karen Read murder trial nears final stage

Officer Killed Girlfriend Trial Before the jury enters, Judge Beverly J. Cannone, right, speaks to the defense and prosecution during the Karen Read trial at the Norfolk Superior Court in Dedham, Mass., Monday, July 1, 2024. This is their fifth day of deliberations in the murder trial for Read. Read is accused of backing her SUV into her Boston Police officer boyfriend, John O'Keefe, and leaving him to die in a blizzard in Canton, in 2022. (Pat GreenhouseThe Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Judge Beverly J. Cannone speaks in Norfolk Superior Court, on their fifth day of deliberations in the murder trial for Karen Read in Dedham, Mass., Monday, July 1, 2024. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read talks with her legal team at the Norfolk Superior Court in Dedham, Mass., Monday, July 1, 2024. This is their fifth day of deliberations in the murder trial for Read. Read is accused of backing her SUV into her Boston Police officer boyfriend, John O'Keefe, and leaving him to die in a blizzard in Canton, in 2022. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read stands as jurors depart the court for the weekend at the trial of Read at Norfolk Superior Court, Friday, June 28, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Charles Krupa, Pool) (Charles Krupa/AP)

Officer Killed Girlfriend Trial Karen Read, center, arrives at Norfolk Superior Court, Monday, July 1, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday, June 25. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read, center, arrives at Norfolk Superior Court, Monday, July 1, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday, June 25. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial All stand as the jury files out to the courtroom, to start their fifth day of deliberations in the murder trial for Karen Read in Norfolk Superior Court in Dedham, Mass., Monday, July 1, 2024. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read, center, arrives at Norfolk Superior Court, Monday, July 1, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday, June 25. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read looks toward the jurors, as they are greeted by Judge Beverly J. Cannone at Norfolk Superior Court in Dedham, Mass., Monday, July 1, 2024. This is their fifth day of deliberations in the murder trial for Read. Read is accused of backing her SUV into her Boston Police officer boyfriend, John O'Keefe, and leaving him to die in a blizzard in Canton, in 2022. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read stands as jurors depart the court to continue with deliberations at the trial of Read at Norfolk Superior Court, Friday, June 28, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Charles Krupa, Pool) (Charles Krupa/AP)

Officer Killed Girlfriend Trial Karen Read watches as jurors are seated in court to continue with deliberations at the trial of Read at Norfolk Superior Court, Friday, June 28, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Charles Krupa, Pool) (Charles Krupa/AP)

Officer Killed Girlfriend Trial Karen Read, left, arrives with her defense team, including Elizabeth Little at right, at Norfolk Superior Court, Friday, June 28, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. A jury is deliberating Read's fate, as her trial is nearing its end. (AP Photo/Charles Krupa) (Charles Krupa/AP)

Officer Killed Girlfriend Trial Karen Read watches as jurors are seated in court to continue with deliberations at the trial of Read at Norfolk Superior Court, Friday, June 28, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Charles Krupa, Pool) (Charles Krupa/AP)

Officer Killed Girlfriend Trial Karen Read gets a long hug from her dad William before the jury breaks for lunch at Norfolk Superior Court in Dedham, Mass., Wednesday June 26, 2024. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read, center, arrives at Norfolk Superior Court, while walking near defense attorney David Yannetti, right, Thursday, June 27, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read, left, stands in a doorway near defense attorney David Yannetti, center, as they depart Norfolk Superior Court, Thursday, June 27, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read arrives at Norfolk Superior Court, Thursday, June 27, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read arrives at Norfolk Superior Court, Thursday, June 27, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read listens as Judge Beverly J. Cannone greets the jury, at the start of the third day of deliberations in her murder trial, in Norfolk Superior Court on Thursday, June 27, 2024 in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read speaks with her attorney, Alan Jackson as the jury leaves the courtroom to start their third day of deliberations, in her murder trial, in Norfolk Superior Court on Thursday, June 27, 2024 in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read speaks with her lawyer as the jury deliberates in her murder trail, Wednesday June 26, 2024, at Norfolk Superior Court in Dedham, Mass. Read is charged with second-degree murder in the January 2022 death of her boyfriend Boston Police Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read watches as the jury enters the courtroom for the start of the second day of deliberation at Norfolk Superior Court in Dedham, Mass., Wednesday June 26, 2024. (Greg Derr/The Patriot Ledger via AP) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read speaks with her lawyer as the jury deliberates in her murder trail, Wednesday June 26, 2024, at Norfolk Superior Court in Dedham, Mass. Read is charged with second-degree murder in the January 2022 death of her boyfriend Boston Police Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read awaits the juries verdict in her murder case at Norfolk Superior Court in Dedham, Mass., Wednesday June 26, 2024. (Greg Derr/The Patriot Ledger via AP) (Greg Derr/AP)

Officer Killed Girlfriend Trial Alan Jackson, From left, Liza Little, defendant Karen Read and David Yanetti wait for a question from the jury as the jury deliberates in Read's murder trail, Wednesday June 26, 2024, at Norfolk Superior Court in Dedham, Mass. Read is charged with second-degree murder in the January 2022 death of her boyfriend Boston Police Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Judge Beverly Cannone looks over the verdict slip the jurors have to fill out when they reach a verdict in Karen Read's murder trail, Wednesday June 26, 2024, at Norfolk Superior Court in Dedham, Mass. The defense has asked for some modifications. Read is charged with second-degree murder in the January 2022 death of her boyfriend Boston Police Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read, center, departs Norfolk Superior Court, Wednesday, June 26, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday. (AP Photo/Steven Senne) (Steven Senne/AP)

Closing arguments in Karen Read trial

Defense attorneys in Karen Read murder trial argue with judge over jury verdict slip Defense attorneys in Karen Read murder trial argue with judge over jury verdict slip

Officer Killed Girlfriend Trial Karen Read, center, departs Norfolk Superior, Tuesday, June 25, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. Jury deliberations began in the trial Tuesday afternoon. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read arrives at Norfolk Superior Court, Wednesday, June 26, 2024, in Dedham, Mass. Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. The jury began deliberations in the trial Tuesday. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read, center, arrives at Norfolk Superior Court with her father William Read, left, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Carol Kelly, of Canton, Mass., below right, waves a pink and white American flag in support of Karen Read while Gail White, of Canton, left, holds a sign, a block from Norfolk Superior Court, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Lisa Hoffman, of Mansfield, Mass., right, displays a sign in support of Karen Read that features a likeness of a Massachusetts license plate, while seated a block away from Norfolk Superior Court, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read arrives at Norfolk Superior Court with her father William Read, center left, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Supporters of Karen Read display signs and a banner a block away from Norfolk Superior Court, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Supporters of Karen Read listen to proceedings from Read's trial from a laptop computer while gathered a block away from Norfolk Superior Court, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Karen Read murder trial

Officer Killed Girlfriend Trial Karen Read, center, arrives at Norfolk Superior Court with her father William Read, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Laura McGillis, of Attleboro, Mass., a supporter of Karen Read, waves to passing cars a block away from Norfolk Superior Court, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Eva Jenkins, of Bourne, Mass., left, a supporter of Karen Read, waves to passing cars as other supporters place a banner, right, a block away from Norfolk Superior Court, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Officer Killed Girlfriend Trial Karen Read, center right, arrives at Norfolk Superior Court with her father William Read, center left, Tuesday, June 25, 2024, in Dedham, Mass. Karen Read is on trial, accused of killing her boyfriend Boston police Officer John O'Keefe, in 2022. (AP Photo/Steven Senne) (Steven Senne/AP)

Norfolk Superior Court Dedham Some witnesses are in the courtroom on Tuesday include Brian Albert, Colin Albert, and Jennifer McCabe.

Karen Read

Officer Killed-Girlfriend Trial Karen Read listens to family members, after the jury is dismissed at the end of the evidence phase of her murder trial at Norfolk Superior Court, in Dedham, Mass., Monday, June 24, 2024. Read is accused of backing her SUV into her Boston Police officer boyfriend, John O'Keefe, and leaving him to die in a blizzard in Canton, in 2022. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed-Girlfriend Trial After the defense's last witness, Judge Beverly J. Cannone speaks to the jury during the murder trial for Karen Read at Norfolk Superior Court, in Dedham, Mass., Monday, June 24, 2024. Read is accused of backing her SUV into her Boston Police officer boyfriend, John O'Keefe, and leaving him to die in a blizzard in Canton, in 2022. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Karen Read Karen Read

Officer Killed-Girlfriend Trial Retired forensic pathologist Dr. Frank Sheridan (not shown) is questioned by defense attorney Elizabeth Little during the murder trial for Karen Read at Norfolk Superior Court, in Dedham, Mass., Monday, June 24, 2024. (Pat Greenhouse/The Boston Globe via AP, Pool) (Pat Greenhouse/AP)

Officer Killed Girlfriend Trial Karen Read, center, stands amid her lawyers during a break in proceedings during Read's trial in Norfolk Superior Court, Friday, June 21, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Josh Reynolds, Pool) (Josh Reynolds/AP)

Officer Killed Girlfriend Trial Karen Read, center, and her defense lawyers Alan Jackson, left, and David Yannetti, right, listen as the prosecution questions their witness Dr. Marie Russell, during Read's trial in Norfolk Superior Court, Friday, June 21, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Josh Reynolds, Pool) (Josh Reynolds/AP)

Officer Killed Girlfriend Trial Karen Read, center, listens as the prosecutor questions Dr. Marie Russell, during Read's trial in Norfolk Superior Court, Friday, June 21, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Josh Reynolds, Pool) (Josh Reynolds/AP)

Officer Killed Girlfriend Trial Karen Read, center, reacts to testimony from Dr. Irini Scordi-Bello, a medical examiner for the state's medical examiner's office during Read's trial in Norfolk Superior Court, Friday, June 21, 2024, in Dedham, Mass. (AP Photo/Josh Reynolds, Pool) (Josh Reynolds/AP)

Officer-Killed-Girlfriend Karen Read, center, reacts to testimony from Dr. Irini Scordi-Bello, a medical examiner for the state's medical examiner's office during Read's trial in Norfolk Superior Court, Friday, June 21, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Josh Reynolds, Pool) (Josh Reynolds/AP)

Officer Killed Girlfriend Trial Karen Read, center, listens to testimony during her murder trial in Norfolk Superior Court, Friday, June 21, 2024, in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (AP Photo/Josh Reynolds, Pool) (Josh Reynolds/AP)

Officer Killed Girlfriend Trial Karen Read, center, sits in court with her legal team during her trial at Norfolk County Superior Court, Thursday, June 20, 2024, in Dedham, Mass. Read is accused of backing her SUV into her Boston Police officer boyfriend, John O'Keefe, and leaving him to die in a blizzard in Canton, in 2022. (David McGlynn/The Patriot Ledger via AP, Pool) (David McGlynn/AP)

Officer Killed Girlfriend Trial Defendant Karen Read listens to her lawyer Alan Jackson question witness Massachusetts State trooper Michael Proctor during her, Wednesday, June 12, 2024, in Norfolk Super Court in Dedham, Mass. Read is facing charges, including second degree murder, in the 2022 death of her boyfriend Boston Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read reacts to he attorney Alan Jackson as he cross examines state trooper Michael Proctor during her trial, Wednesday, June 12, 2024, in Norfolk Super Court in Dedham, Mass. Read is facing charges, including second degree murder, in the 2022 death of her boyfriend Boston Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/AP)

Officer Killed Girlfriend Trial Karen Read and attorney David Yannetti listen during her trial, Wednesday, June 12, 2024, in Norfolk Super Court in Dedham, Mass. Read is facing charges, including second degree murder, in the 2022 death of her boyfriend Boston Officer John O’Keefe. (Greg Derr/The Patriot Ledger via AP, Pool) (Greg Derr/The Patriot Ledger/AP)

Karen Read trial Karen Read, center right, is seated Monday, June 10, 2024, in Norfolk Super Court, in Dedham, Mass., during her trial on charges in connection with the 2022 death of her boyfriend, Boston police Officer John O'Keefe. (Kayla Bartkowski/The Boston Globe via AP, Pool) (Kayla Bartkowski/(Kayla Bartkowski/The Boston Globe via AP, Pool))

Karen Read trial Karen Read is seated Monday, June 10, 2024, in Norfolk Super Court, in Dedham, Mass., during her trial on charges in connection with the 2022 death of her boyfriend, Boston police Officer John O'Keefe. (Kayla Bartkowski/The Boston Globe via AP, Pool) (Kayla Bartkowski/(Kayla Bartkowski/The Boston Globe via AP, Pool))

Karen Read trial

Officer Killed Girlfriend Trial Defendant Karen Read sits at the defense table during her trial, Thursday, June 6, 2024, at Norfolk Superior Court in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (David McGlynn/New York Post via AP, Pool) (David McGlynn/AP)

Officer Killed Girlfriend Trial Defendant Karen Read sits at the defense table during her trial, Thursday, June 6, 2024, at Norfolk Superior Court in Dedham, Mass. Read, 44, is accused of running into her Boston police officer boyfriend with her SUV in the middle of a nor'easter and leaving him for dead after a night of heavy drinking. (David McGlynn/New York Post via AP, Pool) (David McGlynn/AP)

By Boston 25 News Staff

DEDHAM, Mass. — Jury deliberations are underway after weeks of witness testimony in Karen Read murder trial.

Twelve jurors have been tasked with deciding whether melting snow revealed evidence that proves Read murdered her boyfriend, or exposed a cover-up built on connections and police corruption.

Read, 44, of Mansfield, is charged with second-degree murder in the January 2022 death of Boston Police Officer John O’Keefe.

Boston 25 News was in Dedham’s Norfolk Superior Court for each day of the trial. Here’s a look back at everything that unfolded over the last eight weeks:

April 29, 2024: Opening statements are delivered and the first witnesses are called by the prosecution, including O’Keefe’s brother, Paul, his sister-in-law, Erin.

April 30, 2024: Canton police officers, firefighters testify on Day 2, including one first responder who claimed he heard Read say, “I hit him, I hit him, I hit him.”

May 2, 2024: Canton firefighters Anthony Flematti and Katie McLaughlin testify about responding to scene of O’Keefe’s death and finding a “hysterical” Read.

May 3, 2024: Canton firefighter Katie McLaughlin is grilled on cross-examination about her apparent friendship with Caitlin Albert, who was alleged to be at a party inside the home of retired Boston Police Officer Brian Albert in Canton, on the night O’Keefe’s body was found outside.

May 6, 2024: Witness testimony enters second week with Canton Police Lt. Paul Gallagher testifies that he spotted “light pink spots in the snow” outside 34 Fairview Avenue in Canton and that investigators “decided to process the scene with a leaf blower.”

May 7, 2024: New evidence, including broken cocktail glass found at 34 Fairview Avenue shown in court as first responders who were called to the scene O’Keefe’s death continue to take the stand.

May 8, 2024: Surveillance video shown in court shows Karen Read embracing her Boston police officer boyfriend, John O’Keefe, inside C.F. McCarthy’s in Canton just hours before his death.

May 9, 2024: Chris Albert and his wife, Julie Albert, are called to the stand. Chris Albert is the brother of Brian Albert.

May 10, 2024: Nicole and Brian Albert, who used to live at the home where John O’Keefe was found dead, are called to the stand.

May 13, 2024: Brian Albert’s son, Brian Albert Jr., and his daughter, Caitlin Albert, are called to the stand.

May 14, 2024: Friends who attended birthday party for Brian Albert Jr. at 34 Fairview Avenue on night of O’Keefe’s death testify about they saw after leaving the home, including Julianna Nagel, who said she spotted a “black blob” on the lawn.

May 15, 2024: Allison McCabe, the daughter of Matthew and Jennifer McCabe, takes the stand after Terri Kun, a forensic scientist at the University of California, Davis, testifies that no dog DNA was found on evidence collected at the scene of O’Keefe’s death.

May 16, 2024: Colin Albert, a key witness who Karen Read’s defense team has said had a motive to attack John O’Keefe, testifies.

May 17, 2024: Jennifer McCabe’s early morning Google search, “Hos long to die in the cold,” is at the center of testimony.

May 21, 2024: Jennifer McCabe returns to the witness stand to be cross-examined by Read’s defense team.

May 22, 2024: Kerry Roberts, Laura Sullivan, and Laura Sullivan, longtime friends of O’Keefe, take the stand. The Sullivan sisters testified about that Read and O’Keefe fought during a New Year’s Eve trip to Aruba in December 2021.

May 24, 2024: Brian Higgins, an ATF agent who was a friend of Brian Albert, a Boston police officer who owned the home in Canton where fellow officer O’Keefe was found dead, testifies about flirtatious text messages he exchanged with Karen Read.

May 28, 2024: The niece and nephew of O’Keefe are called to the stand. Justin Rice, an emergency room doctor who worked at Good Samaritan Medical Center, then testified about treating O’Keefe.

June 3, 2024: Testimony focuses on a taillight and other important evidence as two Massachusetts State Police forensic scientists take the stand along with a high-ranking trooper.

June 5, 2024: Massachusetts State Police Sergeant Yuriy Bukhenik shows evidence to the jury, including the shirt, belt and other clothes, O’Keefe was wearing at the time of his death.

June 6, 2024: Massachusetts State Police Sergeant Yuriy Bukhenik show more evidence to the jury.

June 10, 2024: Trooper Michael Proctor, the lead investigator reads his ‘unprofessional & regrettable’ texts on the stand.

June 12, 2024: Alan Jackson criticizes Trooper Michael Proctor on cross-examination for sharing details of the murder investigation with friends and family and for appearing to single out Karen Read.

June 13, 2024: Detective Lt. Brian Tully, a state police trooper assigned to the Norfolk District Attorney’s Office who reported Trooper Michael Proctor’s vulgar texts about Karen Read “up his chain of command,” is on the stand.

June 14, 2024: Trooper Joseph Paul, a member of the state police crash reconstruction unit, is called to the stand after a juror who was caught on camera is excused.

June 17, 2024: Trooper Nicholas Guarino, a digital forensics expert with the Massachusetts State Police, reads a series of text messages that Read sent to O’Keefe on Jan. 28, 2022.

June 18, 2024: Court conducts a voir dire of expert witnesses who might take the stand at a later time, including dog bit expert Dr. Marie Russell.

June 20, 2024: Doctors Renee Stonebridge and Irini Scordi-Bello, both from the Office of the Chief Medical Examiner, detail the extent of O’Keefe’s injuries.

June 21, 2024: The prosecution rests its case. The defense starts calling its first witnesses.

June 24, 2024: The defense calls its final three witnesses to the stand.

June 24, 2024: The judge discusses jury instructions ahead of closing arguments on Tuesday.

June 25, 2024: The defense and prosecution deliver closing arguments.

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