18. Frank Coppa
Frank Coppa was a “made man” in the American Mafia, a fully initiated member of the Bonanno crime family. But eventually he turned on them. The first in the family to break the famous code of silence, he was subsequently placed in witness protection. After testifying against former friends, Coppa was reportedly allowed to retain both $1.7 million in goods and belongings and a property in Florida.
17. Marion Albert Pruett
Marion Albert Pruett was placed into witness protection and given a new identity plus $800 after testifying about a murder in prison. Subsequently, he repaid all this by going on a killing spree under his new identity and murdering at least four people. Pruett was eventually apprehended and executed by lethal injection in 1999.
16. Eric Schneider
Schneider met infamous mob boss Whitey Bulger as a teenager, but he soon regretted getting mixed up with him. In 1991 he was taken into witness protection where he remains to this day. He told People in 2015 that he now considers Bulger “the essence of pure evil.”