I don't think he got ripped-off all the way on purpose. Sounds like she maybe had a girlfriend/boyfriend/etc. somewhere close outside. She maybe texted them to say that all is cool, no problem, then she received the call. That "friend" outside close-by saw the cops pull in for an unrelated event. The "friend" assumed they were there for her and told her to jump ship.
It was her room, cops are gone, you are gone, her heart has stopped flipping the fuck out of her chest, your money is there.. yeah, she scooped it up and said fuck it.. I'm sure she thinks the exact thing you do right now. How many times today do you think she has said, "the only reason (I think) I went home and not that other place is because I never picked the money up off the dresser."
Where do I get my prize?
..and why the hell am I still up right now.
What do you get if you cross an insomniac, an agnostic and a dyslexic?
Someone who stays up all night wondering if there really is a dog.