From the story it wasn't premeditated, probably got into a fight over the stolen cash and they tried to "knock some sense into him" the way they knew. It doesn'

From the story it wasn't premeditated, probably got into a fight over the stolen cash and they tried to "knock some sense into him" the way they knew. It doesn't bring him back, no, but given that they panicked makes it seems like they didn't plan on killing him. They would have planned it better:somewhere on the streets and maybe kill the "killer"...some informant coming to a meeting.