Trashed or destroyed is one way of stating it.
Roughly treated with no regard to its owner is another way of stating it.
A cop, sorry 'Police Officer' can inflict quite a bit of damage just by the way he handles the firearm especially if he has an antigun or don't care opinion.
I read a lot of posts on induvial firearm enthusiast's that spend countless hours returning 'roughly' treated firearms back to respectable condition, some almost look like new. Lots of lost value if said firearm was never restored.
How would you feel if your pristine gun was returned after some 'rough handling', that all the officers wanted to look it over and pass it around for a good look see, maybe even one of them thinking of adding it to his collection in the future, (it will never be returned anyway) especially if it was a high dollar 'special' model ie: Mint Python. This unfortunate event actually, happened to me.
I was out target shooting in the country with my new Python, next to me was an old man with his grandson shooting an old 22 rifle. Lone Cop showed up and asked everyone to leave except ME. Now the Cop and I were alone.
That COP wanted my new Python more than me the rightful owner. "Your fee to leave but the gun stays or you both go to jail" While this conversation was taking place the Police Chief of this small county arrives and after hearing the full story put a quick stop to this intimidating strong-arm attempted theft; I was then allowed to leave with my Python and the Chief suggested that I target shoot somewhere else and the COP was being dressed down as I drove away.
Worst case scenario I know.
So, there it does happen, I only hope it does not happen to you.