Pmac, Pietro Licata was done on Galante's orders to clear the way for big narcotic distribution, but there seems to have also been a personal motive for the hit other then drugs and elevating Salvatore Catalano over the zips.

"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