Longest serving prisoner on Alcatraz

Alvin Karpis known as "Public Enemy No. 1" spent 26 years as an inmate of Alcatraz prison from August 1936 to April 1962 when he was transferred to USP McNeil Island. He was released from the federal prison system in 1962 via deportation to Canada. He took up residency in Spain and committed suicide in 1979. Karpis robbed banks, had shoot-outs with the police, kidnapped the wealthy for ransoms, and held up trains. At one time, Karpis was wanted for murder in fourteen different states.