The Valentine's Day Massacre was a famous murder plot where seven mob associates were brutally attacked by a group of hit-men. The gangsters dressed up as cops and committed the famous crime. John Scalise was a big part of this famous event. He was known for wearing a glass eye. He expanded his business into contract killing with the mob in the 1950s and at one point, he even worked for Al Capone. He served 14 years for his murders and was brutally attacked repeatedly in prison.