Frank Morris, John Anglin and Clarence Anglin allegedly become the only prisoners to <a class="mw-redirect" href="https://en.wikipedia.org/wiki/June_1962_Alcatraz_escape" id="mwAT8" rel="mw:WikiLink" title="June 1962 Alcatraz escape">escape</a> from the prison on <a href="https://en.wikipedia.org/wiki/Alcatraz_Island" id="mwAUA" rel="mw:WikiLink" title="Alcatraz Island">Alcatraz Island</a>.