Toller wrote:

There is a responsible witness to the operators pointing out the damage he
had done.

then they should pay for it

why not get your estimates for repair
and call the tow company. Tell them you intend
that they pay for it.

that would be a first step
next you would have to take them to court

whoever messed the car up should pay for it

(it's a cheap education for the tow driver)