The hit was approved By Chicago and the Genovese Family.....Billy Giacalone, Rafeal Quassarano and Tony Palazzolo picked him up and Tony Pal shot Hoffa in the face...Thats the most plausible theory and is what Tony Zerelli was told by Tony Giacalone...and I dont take much stock that they didnt find the body..It still could have been there they could have missed it, just like when the 3 capos were killed and they only found sonny red cause his arm was sticking out and they missed the other 2 bodies until 25 years later when Joe Massino flipped.....