Beloved by his colleagues, Mark Hasse was a fearless prosecutor. He worked to put criminals behind bars and making enemies was a hazard of the job. He didn’t know it, but a killer was lurking and Mark wasn’t the only target.

Nikki Whitehead was a single mom working toward a brighter future. She found love, moved into a nice neighborhood and enrolled in college. Then, tragedy struck. Police searched for answers but one thing was certain. This crime was personal.

After college student Angie Samota was stabbed to death, police had no shortage of suspects. A crucial clue narrowed their list to one name, but it would be years before technology and a tenacious friend came together to help unravel this mystery.

For an agonizing four days, the fear was paralyzing. A city was under siege. Six people had been gunned down, but how were the killings linked? A retired detective connected the dots, initiating the manhunt for a man with a gun and a grudge.

He was a firefighter used to rescuing others. Now he was the one in desperate need of help. He found his wife bloodied and motionless on the bedroom floor. Could he save her in time? It was a chilling crime with no shortage of potential suspects.

Jessica Nelson was a hardworking single mom. Then, one morning, she was found dead in her home. The discovery left her family shattered and their ordeal had just begun. Turns out, the killer was someone they knew.

Brett and Vashti were high school sweethearts now busy raising two boys. Then a fire ripped through their home. In the ashes, investigators found a mystery. What happened that night was no accident.

In the town of Prescott, AZ, Carol Kennedy returns from an evening jog and calls her mother for their nightly chat; the call ends abruptly and so begins the mystery on Bridle Path.

Vince Goslyn found his calling in the military. His career was thriving and he had built a beautiful family. Then one night, the father of five was gunned down. Did his decision to help someone in need cost him his life or was he targeted?

After Johnny Altinger vanished, the trail of clues led investigators to a young director. Detectives worried that the case was a hoax staged by a master storyteller. Turns out, the script was darker than anyone knew.

Linda Curry had it all: looks, a great job and a brilliant husband. When she got sick, doctors were stumped. Then, she died and police were as puzzled as the doctors, but not her close friends and family. They just needed someone to listen.

Skylar Neese was everything her parents hoped for, but their world turned upside down when she vanished without a trace. At first, police thought she ran away but hints on social media pointed to a more sinister reason for her disappearance.

A single mother of three vanishes and potential suspects emerge when police discover she may have been living a double life.

An investigation into the mysterious murder of a businessman exposes a tangled web of evil that extends from the Pacific Northwest into the North Dakota oil patch.

In high school, Christian, Erika and Pedro formed a tight trio: best friends who excelled at academics and shared big dreams. When they went to college something changed. It started with a secret romance and ended in tragedy.

Rachel Anderson was a vivacious single mom whose world revolved around her children. When she failed to show up for work one day, her kids panicked. Might her disappearance have anything to do with those terrifying phone calls she’d been receiving?

Marie Singleton was a single mom who fell hard for Andre Jackson, a single dad raising his two kids. The couple married and seemed happy. Then Marie vanished and investigators discovered secrets. Was her disappearance related to her undercover job?

He was a single dad, a former firefighter dedicated to helping others. When he was found dead in his garage, police needed help. A neighbor’s security camera footage revealed a hooded figure, but who was it? Someone was hiding a deadly secret.

At first, Mischele Lewis' new boyfriend seemed almost too good to be true. She would learn her dream man did have secrets, but was he just playing spy games with her? A single mom goes on a dangerous mission of her own to find out the truth.

Wendy Ratte, a free-spirited mother of two, was missing. Police investigated: a bitter feud with a neighbor, a possible serial killer. Or, did danger lurk closer to home? It'd take an elaborate, undercover mission to finally crack this case.

When a mother of four dies unexpectedly on Valentine's Day, everyone in town assumes she died of natural causes until a detective suspects someone has gotten away with murder.

Connie and Larry Hoagland built a life centered on faith and family. Then, a vicious attack threatened it all. Someone wanted Connie dead. But who? After a bomb exploded underneath her car, secrets started to emerge.

Eric Glisson was convicted of a murder he swore he didn’t commit. To prove his innocence, he had to find the real killers, unearthing their long-held secrets. It would take years for the truth to be revealed, but could it set him free?

Karen and Mark Duenas had a special marriage. Teenage sweethearts, the couple managed to keep the romance alive even after raising five boys together. Then a perfectly ordinary night ended in murder, a tragedy that would test the bonds of family.

It was in the still of the night when it started. A cold-blooded serial killer, lurking in the woods, peeping through windows and stalking for his next victim. It's a tale that would be hard to believe, if it didn't really happen.