Alcatraz inmates survived infamous 1962 escape, letter suggests

SAN FRANCISCO (CBS) — It is one of America’s greatest mysteries: What happened to three men after they pulled off a daring prison break at Alcatraz in 1962? Only the worst criminals were sent to Alcatraz. And for 29 years, it was the most secure federal prison in the country – surrounded by the cold, rough waters of the Pacific. But brothers John and Clarence Anglin and Frank Morris disappeared into the night and have never been found.
The men have become fo