Sin City mercs versus Nakatomi...
The mercenaries from "Sin City" (the mercs Dwight pwns at the tar pits and in the sewer, FF to around 8:00):
Are hired to kill John McClane. They learn McClane is to visit Nakatomi plaza for Christmas. They decide to lay in wait in the parking garage, then ambush him in the lobby.
As they wait for McClane, McClane's flight is delayed. Hans and his gang lay siege to Nakatomi. The mercs learn of this and decide to kill Hans and his gang, then raid the vault for themselves.
Do they clear? There will be no McClane here, so no police will be involved.