If only they’d used .22s.
Preferred caliber of choice for Mob hits.
Popping Noise. The FBI has no idea whom Bompensiero telephoned that night, but they know one of his callers fingered him for execution. The old man was an easy target. As he walked away from the phone booth toward his home, he was dropped by a .22-cal. slug that entered his neck near the spine. The coup de grâce was a second shot near the right ear. No shots were heard.
https://content.time.com/time/subscriber/article/0,33009,914890,00.html
Spilotro was considered a suspect – as perpetrator or director — in almost 20 mob-related murders and disappearances from 1975 to 1977.
His weapon of choice was a .22-caliber pistol, equipped with a suppressor, and fired into the victim’s head.