A small Ohio town is shaken in 2010 when Tina Herrmann, 31, Stephanie Sprang, 41, Sarah Maynard, 13, and Kody Maynard, 11, mysteriously vanish. Investigators find the family's home covered in blood but very few clues. A tiny detail helps authorities track down a suspect, but they need answers from him before time runs out.

Detectives rush to find a missing girl who was staying with a murder victim, and as they investigate the dramatic situation, a familiar name becomes a prime suspect, so they interrogate him in the hopes of finding the girl alive.

After a 20-year-old man is crushed by a truck that fell off its jack, the victim’s father is brought in to face questions over whether it was really an accident…or murder.

Authorities question a woman who traveled with serial killer about whether she was a victim or an accomplice. Plus, a bone-chilling confession from a man who freely admits to killing a college student.

Investigators search for the mystery killer after a man and woman are found shot on the side of the highway, and they find a break in the case when a deputy comes across the victim's missing car filled with guns and silencers.

Authorities investigate when an art teacher is killed in her own home, and they bring her husband and a growing list of suspects into the interrogation room to face hard-hitting questions in the hopes of learning why the teacher was murdered.

A woman is murdered by the foster daughter she took in. But an open-and-shut case becomes more complicated as evidence emerges that the foster daughter may not have acted alone.

A young woman's body parts are found in a suspect's plumbing and freezer and when he's brought into the interrogation room, his bizarre behaviour stuns even the most seasoned detectives.

A man is gunned down outside a local shop and authorities interrogate two of his acquaintances to find out which one of them pulled the trigger. Plus, the shocking interrogation of a woman accused of mowing down two children with her car.

The search for a missing priest leads detectives on a multi-state manhunt for a suspect who may be the only person with the answers to his whereabouts.

When a 25-year-old college student vanishes on Christmas Eve, investigators must piece together the details of a first date gone tragically wrong.

After a woman is brutally murdered just a week before her wedding, detectives interrogate three possible suspects, including her fiance.

Investigators wonder if a nurse's aide may be a serial killer after several mysterious deaths occur at a VA hospital located in West Virginia.

A man becomes the prime suspect in a murder investigation after finding his partner brutally murdered.

After a young father is brutally beaten and left to die on the side of a road, four acquaintances are interrogated separately and the finger-pointing begins.

After the dismembered remains of a missing woman are found in a freezer, investigators uncover a love triangle and a murderous conspiracy to conceal the truth.

At the scene of a chilling triple murder in Northern Maine, detectives recover DNA evidence that suggests an out-of-town visitor may be behind the brutal crime.

After three members of a Minnesota family are shot by an intruder, leaving only one survivor, a neighbor is brought into the interrogation room for some tough questions.

When an otherwise healthy young woman is admitted to the hospital with sudden organ failure, an anonymous tip leads authorities to investigate a pattern of unexplained deaths in her family and a shocking prime suspect.

When an 85-year-old man passes away after years of failing health, authorities quickly rule it a natural death and close the case; years later, a bombshell recording reveals that those closest to him may have played a hand in his passing.

A woman goes missing and interrogators have tough questions for the friend she was last seen with.

Detectives put pressure on their prime suspect as they investigate the shooting death of a U.S. postal employee to determine if the killing was intentional or if the postal worker's death was actually an accident, as the suspect claims.

When a 70-year-old grandmother passes away suspiciously on a road trip, investigators uncover a sinister murder plot while searching for her remains.

Investigators respond to a local hospital where an elderly woman fights for her life after a brutal assault; the victim is able to describe the vicious assault; quick detective work points the officers to a suspect, but he stonewalls detectives.

After a woman goes missing, a married Navy police officer contends with tough questions about his romantic relationship with the victim; after a decade on the run, officers interrogate the wife accused of murdering her husband.