TV Guide Investigation Discovery Friday

Gunmen shoot a man in his driveway, and detectives uncover a chilling murder-for-hire plot; multiple generations of a family land in the crosshairs.

Killers murder an adrenaline-junkie young father, and detectives sift through tales of illegal chicken fighting, drag racing, cheating and a mysterious figure.

Best friends take a girl's trip before applying to grad school, but when one of them doesn't make it home, everyone wonders what happened in Las Vegas.

In 2004, the small southeast town of Craig, Alaska, encounters a tragedy when police discover the burned body of a beloved mother.

When a mother and her daughter are savagely murdered in their home in Woburn, Mass., the police interview people she knew in order to solve the mystery.

When Shirley Wilson was found stabbed to death in her home in Des Moines, Iowa, on March 1, 2002, detectives believe that the grandmother knew her assailant.

When the body of Tiffanie Adams is found in a field near Sullivan, Ind., a small town sheriff tries to retrace her steps to catch a cold blooded killer.

When a woman dates an older man, her life takes a turn, but when she disappears, investigators must unravel her complex life filled with secrets and regrets.

After his wife abandoned him at an airport, a man returns to Seattle and meets with the detectives tasked with unraveling the events that led to her vanishing.

Detective Mike Richards goes to extreme lengths as he attempts to unravel the mystery surrounding the disappearance of 8-year-old Jackie Clark in New Brunswick.

In order to solve a brutal triple homicide in Chatham, Ontario, Canada, Detective Peter Baker must follow the trail of missing guns.

In the small town of Killaloe, Ontario, Canada, Scott Dell was found dead from suicide, but Detective Ken Leppert believes his death could have been murder.

After a triple murderer goes on the run, he becomes the most wanted man in America, but when he meets a single mom, he tries to keep his secret from her.

After a young woman is found bound, gagged and mutilated, on Christmas Day in Portland, Ore., the killer then turns his sights on homicide detective Molly Daul.

After 35-year-old Tiffany Jenks is killed in Fairview, Ore., an investigation uncovers multiple suspects and reveals a twisted and mysterious motive for murder.

When a cold case from Northern California heats up, Detective Molly Daul ties an assault case that she's been working on, to this 12-year-old murder.

When an Alaskan gold miner vanishes without a trace, local investigators are left with a myriad of disturbing questions in their search to find answers.

A woman is found murdered in her bed; investigators use a bloody handprint, evidence from multiple break-ins, and an axe to solve the crime.

While scouring a crime scene for clues, investigators discover a nametag in a bloody sweatshirt, but they soon learn that the DNA does not match.

In St. Paul, Minn., a 30-year-old woman's sudden disappearance leads to a three-month investigation, which results in devastation.

When Carol finds her fiancé, Jack Parkes shot in the head only six weeks away from their wedding, the murder destroys her life and uncovers dark family secrets.

20-year-old Christina Ross goes missing in Neenah, Wisconsin, and an unlikely resident comes forward with information that leads detectives to her love life.

When Robin Baxter is found dead floating in the Ohio River, the entire town of New Albany, Ind., bands together to find who's responsible.

In the small town of Aurora, Ind., which hasn't seen a murder in decades, a mother and hairstylist named Leigh Jennings is found murdered in her own home.

20-year-old Christina Ross goes missing in Neenah, Wisconsin, and an unlikely resident comes forward with information that leads detectives to her love life.

When Robin Baxter is found dead floating in the Ohio River, the entire town of New Albany, Ind., bands together to find who's responsible.

In the small town of Aurora, Ind., which hasn't seen a murder in decades, a mother and hairstylist named Leigh Jennings is found murdered in her own home.

When Carol finds her fiancé, Jack Parkes shot in the head only six weeks away from their wedding, the murder destroys her life and uncovers dark family secrets.

State troopers arrive at the scene of a woman shot to death in her bed and rule it suicide, but a tenacious detective reopens the case decades later.

A man shoots Rashawn Berry in broad daylight and flees the scene, but a key piece of surveillance footage shows the killer's escape route.