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John Giannola of "Green Ones gang" of East St Louis-died age 40 of natural Causes.
After losing his estate in Pelham Manor, New York, former mob leader Ciro Terranova returns to New York City. On February 19, Terranova suffers a stroke and dies the following day.
, longtime defense lawyer for Dutch Schultz, is imprisoned.
May 2 – Detroit mobster is shot in the back and dies the following day. His death was possibly connected to mobster Joseph Zerilli, who had been consolidating his power in Detroit since the end of Prohibition.
August 21 – , a former associate of Louis "Lepke" Buchalter is killed by Murder, Inc.. His body is later found in a lime pit near the small town of Loch Sheldrake, New York.