The town of Indiana, Pennsylvania, is rocked by the murder of Theresa Dalessio. Shot at home with her family nearby, the crime is confounding. Theresa has no obvious enemies, but as evidence emerges, suspects are revealed - including her own husband.

When a beloved elderly couple is stabbed over 60 times each in their bed, local law enforcement work with the FBI to track down a twisted killer. The gruesome details shock a quiet town, while the investigation sparks a rift within the victims’ families.

Armed with homemade bombs, a group of masked gunmen ambush a family in the middle of the night, and murder a teenage daughter and her mom. The family’s tragedy is worsened when they believe that one of their own loved ones was behind the double homicide. It would take 30 years and an eager state trooper to bring the killer to justice.

When a well-known local cabby, famous for his generosity, is found shot to death in his car in Peekskill, NY, the whole city wonders how this happened. The Peekskill police force and a Westchester County’s dogged prosecutor deploy every resource available to track a killer. And within 48-hours, their rapid-fire investigation uncovers a treacherous plot hatched in a deadly love affair.

A crime wave is sweeping Boston and police resources are stretched thin. The murder of a single mother is on the brink of becoming just another number in a wave of unsolved homicides. As the case goes cold for years, a toddler is left without his mom and an immigrant family faces an overwhelming justice system they can barely comprehend. Then, the nation’s top cold case duo attempts to catch her killer. They develop a technique that would change investigative procedure forever hoping to secure justice for a mother gone too soon.

The innocence of the quiet, rural town of Miles City, Montana is shattered when a doting father of two and loving husband, Marty Etchemendy, disappears after a local football game. The Sheriff and local volunteers scour the dusty countryside for any sign of the missing father. The trail leads detectives out of Montana on a life-and-death chase spanning over 150 miles. Investigators hold on hard to hope, but will the intense manhunt for a hostage turn into a search and recovery?

Diana Duve had it all: great friends, supportive family, a fulfilling career, and a charismatic, successful boyfriend. But when she mysteriously goes missing, the resulting investigation unearths a past riddled with vitriol and violence. They discover a wake of victims and a heinous escalation of abuse. The prosecution knows they need to expose this wolf in sheep’s clothing before he can kill again.

A young father is gunned down right outside his mother’s home, and the murder is captured on security cameras. Investigators analyze surveillance video and hours of recorded calls to uncover a murder plot that threatens the entire justice system. But before the case goes to trial, prosecutors get word that the savvy killer ordered a hit against them. Now, they too, are caught in the crosshairs of danger.

There’s no pain like the loss of a young, innocent life. When a 14-year-old’s murder goes unsolved for decades, it festers into a wound that never heals. The family had long since given up hope. But everything changed when a cold case detective made it his mission to find closure for the small town that’d been plagued by questions and distrust for over 30 years.

Horse grooms at a racetrack find one of their own dead in her dorm. Her death is ruled a suicide, but her family suspect foul play. Three years later, the original investigator gets a tip about an eerily similar death 1400 miles away. Can this suicide be turned into a homicide case? A detective who won’t give up hope, tries to the connect the two and bring closure to the families of these victims.