Summary: 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.

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

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

Summary: 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.

Summary: 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.

Summary: A series of random nighttime shootings has the city of Phoenix on edge as police try to end the reign of terror and interrogate two suspects.

Summary: After 22 years, a local news story reignites a decades-old cold case, leading investigators to question a close-knit circle of friends who they believe are hiding the truth about the disappearance of a 25-year-old man. Can investigators convince the group of friends to reveal who the killer is and finally get justice for the victim?

Summary: After a successful businessman is brutally strangled, investigators become suspicious of his widow and her secret friend.

Summary: After decades on the run, a serial killer faces tough questions in the interrogation room and after a woman is found dead in the middle of the road, the finger pointing begins when three suspects are interviewed.

Summary: In 2012, 26-year-old Timothy Rambo Ramsey is killed in a drive-by shooting, but the investigation yields little evidence, and the case goes cold for six years; when detectives re-examine the evidence, they uncover a violent feud between two men.

Summary: 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.

Summary: 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.

Summary: 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.

Summary: Ten years after a young mother allegedly abandoned her family, her mother-in-law reveals a shocking secret: she believes both of her daughter-in-law's lovers murdered her.

Summary: Investigators question the mother of a deceased baby and her estranged husband to determine how the child died and ended up in a cardboard box, and as they search for answers, they determine who is responsible for the awful crime.

Summary: 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.

Summary: In a story that gripped the nation, three Cleveland women are rescued ten years after vanishing from the city's streets; authorities must confront the man at heart of this notorious crime to unravel the sinister details surrounding the abductions.

Summary: After police respond to an apparent suicide, the case takes an unexpected turn when investigators cannot find a gun near the body.

Summary: After an 80-year-old woman vanishes, local police and the FBI team u in the pursuit of a suspected serial killer.

Summary: When a young woman vanishes, detectives zero in on her controlling estranged husband - whose story continually changes in the interrogation room.