sentences:  Gus Winkler
  
  Gus Winkler (March 28, 1901 – October 9, 1933) was an American gangster who headed a Prohibition-era criminal gang specializing in armed robbery and murder for hire with Fred "Killer" Burke.Winkler was an associate of Chicago mob boss Al Capone and is considered a suspect in the St. Valentine's Day Massacre.