In the 1930s, the American Mafia created an organized network of killers-for-hire known as Murder Inc. Operating out of Brooklyn, they carried out hundreds of assassinations for crime bosses across ...

Rene "Boxer" Enriquez was a hit man and a powerful figure inside La Eme, the Mexican Mafia, which began as a prison gang and now exerts remarkable influence, not just in the prisons, but on the ...