Even if it was stolen, they wouldn't do anything about it. I had a car stolen from right in front of my house, found it in the city impound lot (stripped), then figured out who did it (cool story, actually!), and called the cops on this whole chop-shop operation I had found (still know the address, if anyone wants to go lay some smack down!), and they did all of....
NOTHING! So yea, forgetaboutit. Heck, steal her a newer car from someone else, it's not like you'll get in trouble for it.
-scheides