When Cindy first fell in love with Bobby in high school, she felt an immediate connection. She never suspected that he would one day commit gruesome crimes.

After someone brutally murders a 66-year-old disabled man, investigators identify a pair of psychopathic young lovers on the run as prime suspects.

When a retired mother of three vanishes after a night out with friends, detectives uncover a psychopath's nightmarish desires and a violent outcome.

When a 32-year-old father is shot dead, detectives hope security camera footage can help identify the culprit of this brutal crime.

When a Homecoming Queen and a Dairy Princess are murdered in Marathon County, Wisconsin, detectives question a pool of suspects, from strangers to frenemies.

A mother of two and a young woman planning a career in science both die under mysterious circumstances, and two families embark on quests for justice.

A young woman is murdered on a trip to her father's homeland, and a young mother and her baby are shot as they are driving. Will anyone be brought to justice?

Popular teacher and beauty queen Tara is missing. The only clue is an abandoned latex glove found in her backyard. Is an unstable male student involved?

Kristi is on the phone to her boyfriend during an early evening stroll when she screams out against an abductor. Was she kidnapped by a serial rapist?

When she was targeted by an anonymous predator, Sarah Garone ran to her stepfather. She never imagined someone she trusted could be the one to hurt her.

When Wilda Gadd got married, she dismissed the dark rumours about her husband. It wasn't long before she found herself risking her life to find the truth.

When a Homecoming Queen and a Dairy Princess are murdered in Marathon County, Wisconsin, detectives question a pool of suspects, from strangers to frenemies.

In Warren, Michigan, two of the best and brightest, Danyna Gibson and Tanaya Lewis, compete for more than just grades and the results turn deadly.

Police have a puzzle to solve after they find Kathy Anderson, a beloved arborist, brutally murdered in her Silicon Valley home.

Jeanine Harms, a dedicated IT employee, goes missing after a date with a local bigshot. Police scramble to find her before the case goes cold.

Desperate to escape her controlling adoptive parents, Natalia turns to Vince and Nicole DePaul, her last hope for freedom.

Natalia escapes her controlling parents, but she must face a dark past of lies and alleged abuse, uncertain if freedom is truly within reach.

Detective Fil Waters recounts how a shocking lead caught on video led to him unearthing the killer of Aidee Reyna. Who murdered the mother-of-two?

Three members of a tight-knit family are brutally murdered in broad daylight whilst at work. It takes Fil Waters four months to find the killer.

When a young man disappears, it sparks a 20-year investigation that uncovers two bodies and a lifetime of lies. The elusive killer hides insatiable desires.

In Lansing, Michigan, at a mobile home park police search for the person who killed Delayno Hudson and shot two other men after a car crash.

In Upatoi, Georgia, Robert Short arrived home to find his wife, son and granddaughter had been murdered. Detectives work quickly to solve this brutal crime.

Police find a murdered teacher and look to those in the home. The truth proves more tragic than anyone could have imagined.

In 1999, Stephanie Neiman has the world at her feet. But when a friend asks for a ride, what starts out as a favour quickly becomes a fight for survival.

After someone brutally murders a 66-year-old disabled man, investigators identify a pair of psychopathic young lovers on the run as prime suspects.

When a retired mother of three vanishes after a night out with friends, detectives uncover a psychopath's nightmarish desires and a violent outcome.