Joel Cacace. Murdering your own hitmen as precaution, in the vein of Jimmy Burke. Who should also be added to the list. Gerry Pappa seems to have been born a regular guy, who went crazy after the death of Jimmy Emma. I would assume William Daddano Sr. as well.
You're right about Burke, that's another presumed psychopath. Added.
"It was between the brothers Kay -- I had nothing to do with it."
