The murder of a New Jersey entrepreneur leaves investigators stumped until months later, when a drug bust brings to light a murder plot riddled with greed, addiction and betrayal.

While investigating the murder of a man who was gunned down in his delivery truck, police in California uncover an affair with deadly repercussions.

When a pair of Amish teenagers on horseback come across a man’s body in a field, detectives in southern Michigan work to piece together an atrocious crime.

When the decaying body of a Baltimore man is discovered in his garage, detectives use advanced law enforcement technology to pinpoint a cunning killer.

When the body of a beloved aircraft machinist is found stuffed in the trunk of his own car, investigators follow a trail of deception to a manipulative killer.

Two young boys are left fatherless when an Air Force sergeant is gunned down by a pair of intruders in his San Antonio home.

An investigation into the murder of a small-town bus driver exposes secrets behind closed doors.

A jealous teenager’s brash act of violence thrusts a shadowy affair into the national spotlight. The surviving victim, Mary Jo Buttafuoco sheds light on her side of the scandal that rocked America.

One of the most notorious citizens of Durham, North Carolina finds herself under scrutiny after her boyfriend is stabbed.

A contentious divorce and custody battle lands one father in the crosshairs of a sniper.

The murder of a benevolent owner of a landscaping business sends shockwaves through small Ohio town.

In Gig Harbor, WA, a homicide investigation reveals the dark lengths to which one woman will go for her family's safety.

The suspicious shooting of a delivery truck driver shrouds the Sunshine State in darkness.

When a man returns home from a party and finds his caregiver shot to death, detectives must sift through a complicated network of animosity and resentment to find their killer.

Under the guise of the "BTK Killer," Rader heinously murdered 10 people, over the course of 17 years, all while taunting Wichita police and media before finally being brought to justice, after 30 years of cold cases. In an exclusively acquired interview, the "BTK Killer," which acronym stood for "bind," "torture," "kill" reveals his darkest secrets and what drove him to murder. The special features exclusive interviews with experts and the journalists that were tormented by him.

When the owner of an Ohio landscaping company is found shot to death in his bed, the ensuing investigation exposes an elaborate web of sex, obsession, and power.

In the fall of 2011, homicide detectives in towns over 200 miles apart connect two separate murders to one ruthless killer.

When a charred human torso is discovered on a Native American reservation in Montana, local and federal investigators join forces to piece together a heinous crime.

When medical examiners determine that a terminally ill Arizona man may have not died from natural causes as his family previously thought, a homicide investigation begins to unravel the truth.

When the bodies of two grandparents are tragically found left for dead, investigators toil to determine whether the slayings were motivated by simmering vengeance or insatiable greed.

The disappearance of a Michigan man triggers a tragic chain of events that ends in another man's death nearly 400 miles away.

An investigation into the disappearance of an Iowa mother sends police in two states on a wild journey, during which they encounter a volatile love triangle, stolen identity, arson, and a relentless stalker.

The discovery of a charred body in the bed of a burning pickup truck ignites a homicide investigation in Atlanta, Georgia.

An investigation into the heinous murder of a college student in Las Vegas ignites an international manhunt and exposes a lethal love triangle.

The peace of an Indiana town is interrupted on Valentine's Day 2003, when police receive a report of a violent murder.