SLOT MACHINE MOVIE COMING ON THIS FRIDAY AT NOON EASTERN, 11 CENTRAL...ETC.
TCM / TURNER CLASSIC MOVIES.
http://www.imdb.com/title/tt0031743/"OFF THE RECORD" 1939.
Off the Record: Reporters marry and adopt a boy that their expose on gambling caused to become homeless.
Blondell and O'Brien star as newspaper reporters who inadvertently send Jordan to reform school after they write an expose of the illegal slot-machine racket the boy was a spotter for. Guilt-ridden, Blondell convinces O'Brien that they should marry in order to adopt Jordan and get him out of reform school.
I HAVE NEVER SEEN THIS, BUT ACCORDING TO THE DESCRIPTION, IT'S A 30's MOVIE DEALING WITH THE SLOT MACHINE RACKET, SO, I'LL GIVE IT A SHOT.