Dragnet - Season 4 Episode 12 Bunco - $9,000
Overview: Charlie Feeney, a wino police informant, calls Joe and claims he was swindled out of $9,000. The problem is the money wasn't his. Feeney turns the money over to someone claiming to be a private detective whose client is a big Las Vegas gambler. Joe and Bill track down the phony detective and start looking for the rightful owner of the money.