A protection racket results in murder when a railroad yard worker refuses to continue making payments.

Mathews tries flushing out two gunmen who are holding a farmer and his wife hostage. Mathews: Broderick Crawford. Ruttman: Tom Holland. Collins: Robert Swan. Martin: Ted Lehman. Jane: Gail Gregg.

Two brothers hijack a new-car carrier, planning to sell the cars to get cash to purchase a farm. When the driver dies from injuries sustained in the hijacking, they make a panic-stricken attempt to dispose of the evidence.

Mathews tries to prove the guilt of three holdup men---before the statute of limitations runs out. Mathews: Broderick Crawford. Eddie: Bing Russell. Wyatt: Mike Regan.

Dan enlists the help of the leader of a local hot rod car club to assist in finding two robbers who use a souped-up car to get away from the Highway Patrol after each job.

An alert boy is able to give Dan Mathews information that provides a critical break in the pursuit of a recidivist thief.

Car thieves purchase wrecked vehicles and transfer the VIN plates to stolen ones in order to escape detection.

Three farmers are stubbornly determined to risk their lives in order to collect a reward offered for the capture of a wounded fugitive.

A stolen helicopter enables a dangerous lifer to escape from a prison work detail.

A mentally disturbed man murders women who seek husbands through "Lonely Hearts" clubs.

Lab worker Harry Wells flees and aggressively avoids people, after being accidentally exposed to dangerous radioactive material.

One member of a three-person holdup team impersonates a Highway Patrol officer in order to deceive robbery victims into thinking that they need not notify the Patrol themselves.

An Army bazooka is stolen by two men who use it to capture the payroll from an oil drilling company.

Mathews investigates a businessman's accidental death. Mathews: Broderick Crawford. Foster: Joe Haworth. Tom: Pierre Watkins.

A patient parolee decides the time is finally right to attempt the recovery of $250,000 stolen in an armored car robbery.

A car that was involved in an accident is stolen and later found again, and just happens to match the description of one used in a bank holdup. Putting two and two together, Dan speculates that this was the getaway car and it's occupants must have escaped on foot, which is near a posh resort.

A hardened criminal, whose personality belies his viciousness, escapes from prison, killing a guard. Dan Mathews swings into action, and as the man commits one ruthless act after another to break through the trap closing in on him, it becomes apparent that there's almost a personal conflict between the two men - that ends only when they meet face to face in the final scene.

Two bikers (Clint Eastwood as 'Joe Keeley', John Compton as 'Nick West') ride stripped-down Harleys into town and stop at a cafe. They are shocked when the cafe owner (Jack Edwards as 'Bernie Sills') confronts them with a shotgun and orders them to leave. As his wife calls the Highway Patrol her husband provokes the bikers, until Nick takes the gun from Sills and punches him. The bikers jump on their bikes and roar out of town. When Sills learns his wife has called the law, he hides the gun and lies to the responding motorcycle cop, telling him the cyclists started the trouble. The cop takes off after the bikers, only to be struck and killed by a trucker who runs a red light. Broderick Crawford’s ‘Chief Dan Mathews’ quickly sorts truth from fiction and arrests the café owner for assaulting the bikers. A nice (albeit unlikely) twist on the ‘bad guy bikers’ trope!

Dan Mathews has reason to suspect the worst when a courier with a criminal record disappears with $31,000 after an automobile accident.

Dan Mathews must cope with a family's effort to protect an emotionally fragile young woman who fled after striking a pedestrian with her car.

A Highway Patrol officer is murdered while pursuing a car stolen from a lonely bookstore owner.

After an elderly couple inadvertently help a murderous bank robber slip through a police road block, a restaurant manager spots the fugitive who uses the old folks to keep from getting caught.

Jerry Watts is the son of a millionaire and he's just been kidnapped and taken to an old shack high in the mountains. After a tip from a game warden brings the Highway Patrol, Jerry tries to escape to the officers, only to fall into a canyon severely injuring himself. The only way out is straight up.

Hank Dooley's daughter has just died from typhoid fever, and Dooley is now searching for his farm hand Len Frazier who is the one who infected her, complete with rifle in hand.