Once she got in the car, it was game over. He moves the truck and he opens the door for a list of serious offenses. Too many witnesses and a cop to boot, he'd be the one in cuffs.
And I agree, the excess damage is on his head. Once she got in the car he should have unhooked it and come back later.
Once its hooked its back in the banks hands. Its vandelism.
How the heck do you turn this into the repo guys fault?