Anglin Brothers Escape from Alcatraz Prison

The Anglin Brothers Escape is one of the most infamous disappearances in American history. Their alleged escape from Alcatraz in 1975 has long baffled authorities.

Alcatraz mystery deepens after discovery of letter signed by fugitive claiming prisoners survived escape, The Independent

Alcatraz escape: Fugitive John Anglin's name on letter to police - BBC News

Alcatraz escape: Their families insist they survived. Investigators doubt it. The enduring mystery of the three missing men

Escape from Alcatraz: Is this man one of three prisoners who broke out?

50 Years Later, Mystery Of Alcatraz Escape Endures

50 Years Later, Mystery Of Alcatraz Escape Endures : NPR

The escape from Alcatraz: What happened, biggest conspiracy theories surrounding the infamous prison break

Letter claims inmates survived infamous Alcatraz escape

1962 Alcatraz escapee survived, made it to Seattle, letter claims; FBI can't rule out authenticity