Photos: 'Unabomber' Theodore Kaczynski has died in federal prison

'Unabomber' Theodore Kaczynski has died in federal prison Convicted Unabomber Theodore Kaczynski is escorted by US Marshals outside the Sacramento County Federal Court, Sacramento, California, May 4, 1998. Kaczynski was given four consecutive life sentences. AFP PHOTO/POOL (Photo credit should read RICH PEDRONCELLI/AFP via Getty Images) (RICH PEDRONCELLI/AFP via Getty Images)