I feel like Vinny Ocean might have known about the hit; I doubt that Riggi directly ordered it, but I feel like Ocean knew. I know he was very close with the Rotondos, but the fact that Jimmy was found with a jar of fish on his lap always signaled me to Ocean, who owned a fish store.
I doubt Vinny Ocean would have done Rotondo without permission from the boss and been stupid enough to put the fish on his lap to let everyone know about it.
