Angelo's "hook" moniker had nothing to do with Action Jackson. I'm not sure he was even there.
I didn't say I thought he was there. I just expressed myself badly: meaning, that I initially thought that La Pietra was the most sadistic one but, if stories about him are made up, then whoever carried out the Action Jackson and the burglars' murders are the most sadistic. I was just thinking about the "most brutal mobster" thread, that's why I asked this.