They should apologize to her and front her money to get repairs started. They should have secured her property (door and fence) when they found out they were in the wrong place.
These are basic expectations of decency and responsibility. I can see how mistakes could happen - rarely. But this is rude crude and unacceptable abuse of this poor woman.
I think the cops should go farther than that. They show an utter lack of respect for the public they're supposed to protect. Decent cops would show up and offer to fix the damage, on their dime with their labor. That's what decent people do for others after a natural disaster. This disaster was caused by the recklessness of cops. There are fewer and fewer decent cops left nowadays.