A fleeing murderer's charm enables him to enlist the unwitting aid of several law-abiding citizens in his efforts to elude the Highway Patrol.

The Highway Patrol helicopter travels to a remote and mountainous area to airlift a critically injured kidnap victim and aid in the capture of the kidnappers.

A murderous fugitive hitches a ride with a newlywed couple who are pulling a travel trailer, then takes them as hostages when they learn his identity from a radio broadcast.

When two thieves who stole $50,000 are killed in an automobile accident, their other two partners scheme to recover the wreck and the stolen money.

The Highway Patrol conducts an intensive search for an endangered crime reporter who may know the identity of a murderer.

A known carrier of typhoid fever attempts to flee the area when the daughter of his employer dies from the disease.

A career felon and his mechanically-skilled younger brother stage a series of armed robberies using a supercharged roadster as their getaway car.

Hijackers feign roadside accidents, knowing that unsuspecting truck drivers will stop and attempt to help.

Two men find themselves unable to flee as planned after they use a stolen bazooka to rob a $33,000 oil field payroll.

Three felons enlist the unwilling aid of a former cell-mate to steal a $12,000 cash shipment from a farmers' combine.

A man and two women who specialize in robbing roadside motels become increasingly confident and reckless.

A man and two female accomplices steal expensive cars, forge registration cards, and sell the cars upstate before their status as stolen cars can be disseminated.

Dan Mathews and his officers must work quickly to capture a delusional and unpredictable escapee from a mental hospital.

A trio of thieves threatens to murder the wife of an armored car guard in order to force him to surrender a $25,000 payroll secured inside the vehicle.

Inside information helps thieves rob a group of recently-paid itinerant fruit pickers, but murder results when one particularly desperate victim refuses to follow their orders.

After an accidental shooting occurs on a ranch, the Highway Patrol helicopter is used to prevent a revenge killing by the supposed shooter's angry brother-in-law.

Dan Mathews and his officers must rely upon an uncommunicative amnesiac to find a seriously injured camper.

A trio of thieves will be able to abscond with $500,000 in stolen money at midnight unless Dan and Officer Garvey can prove their guilt quickly.

A Highway Patrol officer is murdered after he discovers a marijuana field while on a hunting trip.

A writer having a bad reaction to medication takes potshots at several targets, including Dan Mathews and his officers.

An apparently legitimate print shop is involved in the printing of counterfeit payroll checks used to bilk unsuspecting merchants.

The distraught daughter of a deceased gemologist accuses Officer Johnson of stealing valuable uncut jewels from her late father's car.

Two men conceal themselves in large crates on the back of a truck as part of a plan to get inside a manufacturing plant so they can steal a $27,000 payroll.

A man and two female accomplices who pose as hitchhikers rob several unsuspecting male motorists, but murder results when one victim tries to fight back.

A murderous hoodlum attempts to steal counterfeit currency plates that have been packed in nitroglycerin tubes for safekeeping.

Motorcycle-riding armed robbers elude Highway Patrol roadblocks by loading their two-wheelers into a closed truck driven by their leader.

Because of his wife's fears, Patrolman Ed Wylie resigns from the force after fellow officer Jerry March is killed in the line of duty.

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.

An escaped convict abducts his estranged wife and forces her to help him elude the Highway Patrol.

An ex-con wants to return money stolen in an armed robbery, but his erstwhile partner has other ideas.

Two convicts steal an airplane to escape from prison.

A gemologist and his accomplice steal $300,000 in rough-cut gems from a courier, then attempt to smuggle them out of the country in a dog's collar.

Two holdup men abduct a physician and compel him to extricate a bullet in a wooded area.

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.

Treachery and murder result after a bonded bank messenger, his wife, and an accomplice steal a $20,000 payroll.

The owner of a centrally-located roadside diner is murdered so that heroin sellers can use his business as a "front" for distributing the drug to pushers.

A professional killer from Chicago comes into Dan Mathews' jurisdiction to murder the Santell brothers before they can testify against a racketeer.

The Highway Patrol helicopter is ordered into action when the botched robbery of a roadside diner results in the shooting of the proprietor and the abduction of his daughter.

Dan Mathews and a physician race against time to find an elusive little girl that was bitten on the cheek by a rabid dog.