Sources

[1] https://www.campaignlive.co.uk/article/alcatraz-escape-mystery

[2]https://www.sfgate.com/sfhistory/article/Did-Alcatraz-most-famous

[3] https://www.fbi.gov/history/famous-cases/alcatraz-escape

[4] https://www.alcatrazhistory.com/alcesc1.htm

[5]https://www.history.com/news/alcatraz-escape-new-evidence-anglin-brothers

[6]https://didyouknowfacts.com/escape-alcatraz-real-story-infamous-1962-prison-break/

[7] https://www.bbc.com/news/world-us-canada-42826582

[8]https://scope.scholastic.com/issues/2017-18/120117/Escape-From-Alcatraz.html

[9] https://en.wikipedia.org/wiki/June_1962_Alcatraz_escape_attempt

[10]https://www.history.com/news/did-anyone-ever-escape-from-alcatraz

[11] https://en.wikipedia.org/wiki/June_1962_Alcatraz_escape_attempt