I believe someone posted it on here, but the poster said an informant said that a made sicilian mafia member in Ohio came over to Sicily to train members in explosives, then went back to Ohio. Guy was said to be in his 60s or 70s at the time.

"I have this Nightmare. I'm on 5th avenue watching the St. Patrick's Day parade and I have a coronary and nine thousand cops march happily over my body." Chief Sidney Green