A Time to Kill

A coworker finds Dr. Joseph Sonnier's body face down in the garage of his Texas home. Before long, the list of possible suspects includes the victim's girlfriend, a mysterious stalker, and a long list of jilted ex-lovers.

The murder of a Dallas, Texas, dentist sends police on the trail of a cunning fugitive.

Solving the murder of a soon-to-be holistic TV doctor may come down to a random tip.

A mysterious 911 caller alerts Connecticut police to the stabbing murder of a Harvard grad.

A cell phone may crack the tragic case of a Florida man's horrific torture and murder.

A suitcase found by a highway clean-up crew in Connecticut contains a horrific and tragic discovery.

Two murders of restaurant employees in Pennsylvania spark fears that a serial killer is on the loose.

Anchorage police fear a serial killer is loose and murdering native Alaskan women.

An Anchorage, Alaska, nurse vanishes, and police race to find her -- and her killer.

A killer stabs a beloved New Jersey woman 44 times, stumping even seasoned investigators.

A killer strikes down an aspiring entertainer with her own dance trophy in Milford Connecticut.

Niagara Falls investigators find a serial monogamist bludgeoned to death.

A killer shoots Cleveland’s fire department lieutenant in his driveway.

Killers bludgeon millionaire Ben Novak to death in a New York hotel room.

A gunman shoots volunteer police officer Laura Grillo dead in her suburban Dallas home.

Deputies find a beloved basketball coach callously gunned down in his Cordova, Tennessee, home.

A mysterious predator sneaks in with a master key and strangles a young single mother.

A killer guns down an Atlanta man in his SUV on the side of a highway.

Bookkeeper Barbara Iske takes her last breath on the driveway of a wealthy client.

Missouri detectives hunt for a murderous master manipulator responsible for the death of a father.

In Pennsylvania, a young woman's New Year's Eve murder reveals a list of unusual suspects.

Canadian Mounties search the prairie for the cold-hearted double-murderer of a reclusive aunt and her adult nephew.

The investigation into an ex-Marine’s vicious shotgun murder leads to an unexpected conclusion.

Detectives hunt for a couple who killed a Santa Barbara, California, Ph.D. student on his doorstep.