Answer: machinegunkelly

AnswerCrossword Clue
MACHINEGUNKELLY

Gangster born George

MACHINEGUNKELLY

Notorious gangster of the Prohibition era

MACHINEGUNKELLY

Nickname of a Prohibition era criminal

MACHINEGUNKELLY
Gangster who did time at Alcatraz
MACHINEGUNKELLY
Gangster who died on his 59th birthday, 7-17-1954
MACHINEGUNKELLYNotorious 30's criminal
MACHINEGUNKELLYGangster said to have coined the term "G-man"
MACHINEGUNKELLYKidnapper of an oil millionaire, July 1933