At the time of a 2009 NPR report , the U.S . Trio of Alcatraz escapees may have survived their journey , study says . Comment: It 's likely they perished , but if their timing was right they could have made it , study says . One person is known to have escaped from Alcatraz while it was a federal pen .
Trio of Alcatraz escapees may have survived their journey , study says . Comment: It 's likely they perished , but if their timing was right they could have made it , study says . One person is known to have escaped from Alcatraz while it was a federal pen .