Season 3

When a 66-year-old busybody is sexually assaulted and strangled in her own garage, the violent murder puts a tiny Nebraska farming community under the microscope.

A Colorado soccer mom disappears without a trace. And when it turns out she was moonlighting as an escort, the list of suspects mushrooms.

While investigating the execution-style slaying of a retired Colorado mortgage broker, detectives put his nearest and dearest under the microscope.

When a Missouri insurance salesman is gunned down, the suspects include his jilted wife, a secret lover, and a laundry list of high-risk clients.

When a wealthy Missouri couple is violently murdered, the key to catching the killer lies in retracing a missing jar of rare coins.

While investigating the violent stabbing death of a 16-year-old girl, Idaho investigators uncover a grizzly plot pulled straight from a horror movie.

When a young couple is gunned down in broad daylight, detectives in northern New York search for the cold-blooded mastermind of a very personal crime.

In a Texas college town, a 20-year-old freshman is brutally strangled to death in her off-campus apartment.

When a loving grandmother dies suddenly of a mysterious illness, detectives in a suburban New York town uncover a nearly perfect crime.

The body of an Oklahoma cab driver is found in the trunk of his car, and tracking down the killer puts homicide investigators to the test.

In the abduction and murder of father and successful Hasidic businessman, Brooklyn police uncover a mountain of debt and plenty of potential suspects.

After a Missouri college student is brutally murdered, detectives receive an anonymous tip that turns the college town upside down.

In the brutal slaying of a Dallas art student, investigators zero in on a suspicious trio of unusual suspects.

A 36-year-old devoted single mom with no enemies is assassinated in the bedroom of her Tennessee home.

The battered body of a 15-year-old female runaway is found floating in a river outside Salt Lake City.

It will take a year—and an all-new crime unit—before Georgia investigators can close in on a single mother’s cold-hearted assassin.

A high school freshman is brutally stabbed in Pleasanton, and it will take a quarter century before California investigators can track down her killer.

In the vicious rape and murder of a 22-year-old psychology student, a bloody fingerprint points to a mild-mannered monster hiding in plain sight.

The execution-style slaying of a prominent Wisconsin couple tears apart their idyllic family portrait.

It takes more than 25 years before detectives can solve the execution-style double homicide of a prominent couple in their 80s.

The shining star of her square dance club, a wealthy widow is gunned down on the porch of her Arkansas home.

With three grizzly murders in less than two weeks, detectives in Austin, TX, are convinced there’s a serial killer on the loose.

A 36-year-old successful and vibrant computer programmer in the 1990s is stabbed dozens of times in her San Francisco condo.

In Texas, a beloved grandmother with a five-million-dollar life insurance policy is worth more dead than alive.

When one of its employees is bludgeoned to death, a giant pharmaceutical conglomerate in Kentucky becomes the site of a real-life murder mystery.

After a 31-year-old man is savagely stabbed in his Atlanta home, detectives turn to geo-fencing technology to unravel a crime of passion with a dark heart.