If it wasn't for bad luck, he wouldn't have no luck at all.
Apparently he forgot a piece of luggage in his NYC hotel room after checkout. Of course it had his stash and a pistol in it....
When he realized he forgot his most important handbag, he went back to retrieve it. Unfortunately a hotel employee had since found the bag and opened it searching for identification. When finding the contraband, he called the cops who were waiting for Dave at the door....
http://edition.cnn.com/2004/SHOWBIZ/...ted/index.html