Louis Buchalter, known as Louis Lepke or Lepke Buchalter (February 6, 1897 – March 4, 1944), was a Jewish-American organized crime figure and head of the Mafia hit squad Murder, Inc., during the 1930s. Buchalter was one of the premier labor union racketeers in New York City during that era.
Charles Birger, Dominic Benigno, and Buchalter are the only National Crime Syndicate bosses to be executed after being convicted of murder. Buchalter was executed using the infamous "Old Sparky" electric chair after being sent "up the river" to Sing Sing Correctional Facility.