Stagecoach To Denver (1946)
Lambert has the stagecoach wrecked killing the Commissioner so his phony replacement can alter Coonskin's land survey. When Red Ryder exposes the survey hoax, Lambert has his stooge Sheriff put Red in jail.
COMIN' AT YOU! A RED RYDER THRILL-JAMMED ADVENTURE!
Red Ryder: I guess folks and horses are a lot alike. And it all depends on how they're saddle-broke whether their good or bad crops out. The thing that counts most ought to be how they finish the race.
Cudia City Studios, Phoenix, Arizona, USA
Revealing mistakes
The small boy paralyzed from the waist down due to a back broken in a stagecoach rollover is subjected to far more bouncing and jostling during recovery from surgery than he could have possibly survived.
Plot holes
Without telegraph access, there's no way Lambert could have communicated with his stooges from other places to set up his switches before the real people notified by wire would have gotten on the Denver stage.