There were 13 attempts of escape on Alcatraz. 1 April 27, 1936. The attemt failed.
2 December 16,1937. They never find the body so they tell he escape.
3 May 23,1938. The attemt failed.
4 January 13,1939. The attemt failed.
5 May 21,1941. The attemt failed.
6 September 15,1941. The attemt failed.
7 April 14,1943. The attemt failed.
8 July 31,1945. The attemt failed.
9 May 2- 4,1946. The attemt failed.
10 July 23,1956. The attemt failed.
11 September 29,1958. The attempt failed.
12 June 11, 1962. They never find the body so they tell maybe he escape.
13 December 16,1962. The attemt failed.
2 December 16,1937. They never find the body so they tell he escape.
3 May 23,1938. The attemt failed.
4 January 13,1939. The attemt failed.
5 May 21,1941. The attemt failed.
6 September 15,1941. The attemt failed.
7 April 14,1943. The attemt failed.
8 July 31,1945. The attemt failed.
9 May 2- 4,1946. The attemt failed.
10 July 23,1956. The attemt failed.
11 September 29,1958. The attempt failed.
12 June 11, 1962. They never find the body so they tell maybe he escape.
13 December 16,1962. The attemt failed.