Adele Roberts

In the 7th film of the "Crime Doctor" series based on the radio program, Dr. Robert Ordway (Warner Baxter) is summoned to take attend a diabetic, and gives an injection of insulin taken from a bottle in the patient's pocket. The man dies and Ordway discovers that what he thought was insulin was really poison. Oops! Two other people are murdered before Ordway discovers who replaced the insulin with poison and what the motive was. (imdb)

Falsely accused of robbing the army payroll, Steve hopes to clear his name with the help of Tom Jarvis, but finds Tom dead. He soon finds that Tom's brother was also killed and Mary Ann now runs the ranch. Tredway is trying to get Mary Ann to sell the ranch, but Steve wants her to keep it until he finds out why someone wants it and who robbed the payroll. (imdb)

The cattle herds of some Arizona ranchers are being stampeded and stolen, so the Arizona Stockmen's Syndicate sends ace investigator Steve Reynolds in to find out who is responsible. Steve poses as a vicious gunslinger named Buck McCloud to work his way into the gang, and then becomes the Durango Kid to disrupt the activities he learns about. Jud Temple is the loyal fiancée of town banker Grat Hanlon who turns out to be the brain-trust behind the gang. (imdb)

When Sheriff Jeff Connor of Powder River cannot stop the crime wave, his young son, Larry, writes to the Durango Kid for aid. Taggart, the saloon owner, is the secret head of the outlaws, while Connor's brother Bill is in cahoots with him. Steve Randall, the Durango Kid, and his pal, Smiley Butterbean, arrive in time to stop a stagecoach holdup, and Steve is made a deputy sheriff. Taggart has one of his men, Slade, pose as the Durango Kid and while he is speaking to the townspeople.

Pop Walker foolishly bets his ranch that his son Curt will win the all around championship at the rodeo. When he sees his son has become attracted to Barbara Allen and thinking it will affect his performance, he breaks it up. But then realizing the mistake he made he must get them back together again before the championship event.