Forty Thieves is a 1944 American Western film starring William Boyd in the lead role of Hopalong Cassidy. It was directed by Lesley Selander, produced by Harry Sherman and released by United Artists. This was the last Hopalong Cassidy film that producer Harry Sherman produced for United Artists.
Hoppy runs for sheriff, but loses to Jerry Doyle when every crook in town votes for Doyle. When Hoppy tries to remove him from office Tad Hammond hires 40 gunslingers to stop him.
Once the outlaws have been stopped Deputy California Carson runs for sheriff.