Snapshots reveal a dubious link between policy and high crime.

One of Cannon's old busts is a mass murderer, who comes after him on a fishing trip.

Cannon's latest client is a dead man via a will.

Cannon helps a supposed political refugee.

That's about as unlucky as you can get. An assistant DA investigating a car theft ring is framed for his wife's murder.

A farmer is missing and guards have replaced the hands.

A policeman injured in a payroll robbery asks Cannon for help.

Mike Tampa, a vineyard owner in northern California, has been the victim of three murder attempts. After the third attempt, his secretary calls on Cannon, secretly, because Mike has stubbornly refused to do anything.

Keeping your double chin up. A draft dodger winesses a murder on his way to the Yukon.

A bad speculation leads to an apparent abduction.

A publisher is accused of murder, for various reasons.

A figure of fame, the son of a general is thought to have killed a gang leader.

A little bit goes a long way; Cannon is poisoned with 72 hours to find the antidote.

Cannon gets set up for a murder charge.

A mob boss on trial has the judge's daughter kidnapped.

There's only one way to deal with that: serve equal portions. Freight shipments are stolen by computer, and Cannon's in the middle of a custody fight.

Alien-smuggling.

A bridegroom's father-in-law suspects him.

A closed case gets reopened and leads to further consequences.

The son of a gubernatorial candidate is kidnapped.

A newly-discovered heir comes home, and finds you can't get blood from a stone, and you can't take it with you.

A young model's death leads to many suspects.

Cannon's engaged to protect a gang boss from the innocent man he sent up the river.

Should the weapons manufacturer be judged by its bookeeper?

A columnist faces contempt charges; Cannon takes the case.

A corpse missing with valuable bonds.

Not a vocation, more like a calling. Cannon is mistaken for a bishop's assassin.

A boxer is blackmailed into throwing a fight.

A serial killer dogs Cannon to put him out of his misery.

The latest thing is a runaway on the lam.

Cannon goes undercover to find a missing man in a gang. ""Why did the barmaid champagne?""

A cop feels guilty over a man he injured.

An embezzler has disappeared, but there's more than meets the eye.

A torpedo plays dead to testify, but the mob sniffs him out.

Dressed as rodeo clowns, two men rob a rodeo. Cannon is summoned to figure out what's going on, after authorities spend six weeks and come up with nothing.

If it isn't one thing, it's another: a bank manager's mistress is killed, and Cannon finds that's not the end of it.

Not what the doctor ordered. He's accused of administering in error, and claims his innocence.

A girl's suspicious death brings Cannon to Texas.

A Dutch Nazi-hunter is on the trail of an SS man.

A con man of God.

A case of mistaken identity: Cannon is greeted by a stranger, and later almost killed.

A contractor refuses to pay bribes, and is accused of plotting a political asassination.

Cannon's help is sought by a man who went to jail without reason.

Cannon searches for a missing girl who's on the lam after witnessing a murder.

Deporting an old gangster proves fraught with peril.

A young prisoner is forced to do the bidding of a gang boss.

A missing person case leads to a cop's death and the pursuit of vengeance.

Palestinian terroists kidnap an Italian industrialist's daughter to free a jailed comrade.

A well-to-do young man's death in Acapulco is ruled an accident, but his family hires Cannon to investigate.

The co-author of an industrialist's unauthorized biography is murdered.

A recluse asks Cannon to clear up the presumed death of her sister in a boating accident five years before.

A big game hunter is killed by a lion supposedly tranquilized.

A psychiatric patient falls in with bad company and is accused of rape and murder.

Cannon to the right... Cannon to the left... an old buddy's last request: go to Mexico and bring back his son's body.

Down for the count, an oil company VP turns to Cannon to prove his innocence.

A desert heiress is terrified by the sight of a snowman with an ominous axe in its noggin.

A young man is persuaded to extort $50,000 from his father, who turns out to be bankrupt.

A case of vengeance. The girlfriend of a pro ballplayer is murdered.

An Army researcher goes berserk; his wife pleads with Cannon to intervene.

The murder of a con man.

An ex-POW is in danger from a cowardly officer.

Dead men tell no tales out of school. A leader of the black community is murdered on the verge of uncovering a wrong.

A diamond smuggler is drugged to reveal his contraband.

History of a Daedalus.

A released prisoner disappears en route.

Cannon and Barnaby Jones investigate the death of a young woman who was about to expose the illegal activities of the large corporation she was working for. The crossover continues on Barnaby Jones S04E01 The Deadly Conspiracy (II).

Cannon reluctantly takes the case of a disappearing bridegroom, but it's more than it appears.

A football player doesn't know his father-in-law is a mob boss.

Toby Hauser is a compulsive gambler who is $200,000 in debt to Ben Logan (who runs local illegal gaming operations). The bill is due and Hauser has about $5000; they threaten to come after Hauser's wife Cathy if payment isn't made. Cathy, sensing one of them will be hurt, calls in Cannon to help.

Larry Bolinger, a charismatic young man, cons the youth of a quiet town into his cult.

A pilot's apparent suicide leads to plans for a military putsch by a predatory flock.

Dale and Laura Corey are a happily married couple who own an electronics store; he does a lot of electronic eavesdropping for clients, she was a cop on the force with Cannon a few years back, and hires him because Dale is being threatened after bugging some hotel rooms for the owner.

A case of revenge for a daughter's death at a swinging affair.

Former soliders in Vietnam come fearfully to Cannon.