Celebrity Disappearances That Remain Unsolved Mysteries to This Day

Frank Morris is best known not for his crimes but for his audacious 1962 escape from Alcatraz, the “escape-proof” prison. With an IQ of 133, Morris masterminded the daring breakout with the Anglin brothers, using makeshift tools and remarkable ingenuity.

The trio vanished into the cold waters of San Francisco Bay, their fate shrouded in mystery. Did they drown, or did they outsmart the system? In 2013, a letter surfaced claiming Morris had lived under the radar until his death in 2008, reigniting debate.