yes call pd and file a report. no drama, no tears, no long going sad story, jut the facts. camera was in the purse and then it wasn't. you can mention other's behavior bbut that is a side note, you have no idea if that is real or not.
put up a sign with a reward offered. might work. next time bring only your id and leave it in your pants,,if there is not secure storage for things don't store stuff while on shift. it is an accident waiting to happen.