Claim: Thomas DeSimone was part of a group.
Evidence: Thomas Anthony DeSimone -LRB- May 24 , 1950 -- disappeared January 14 , 1979 -RRB- , also known as Two-Gun Tommy or Tommy D , was a Sicilian-American gangster and associate of the Lucchese crime family in New York City.
The Lucchese crime family -LRB- pronounced -LSB- lukˈkeːze -RSB- -RRB- is one of the `` Five Families '' that dominate organized crime activities in New York City , United States , within the nationwide criminal phenomenon known as the Mafia -LRB- or Cosa Nostra -RRB-.