The mob boss was convicted on federal charges of tax evasion in 1931 and sentenced to federal prison.
He spent time at the then-new Alcatraz federal prison before being released on parole in 1939.
Capone is famously thought to have been at the mansion when he ordered the 1929 Saint Valentine’s Day Massacre in the Lincoln Park neighborhood on Chicago’s North Side, in which seven people were killed.
“While the most spectacular gangland slaying in mob history was going down in Chicago, (Capone) was 1,300 miles away at a party at his Palm Island estate, providing him with a perfect alibi,” Ron Chepesiuk, a journalist and author of the book ‘Gangsters of Miami’.
