In March 2000, life couldn't be sweeter for 71-year-old Margarita Ruiz and her adult daughter Hope. They spend their days in the warm Florida sunshine caring for Hope's two young children. Then one morning, a stranger arrives at the Ruiz home and senselessly murders both women. Detectives and family members are stunned and the case goes unsolved for six years. Then, out of the blue, a mysterious phone call from nearly 1500 miles away leads investigators to the killer. Prosecutor Anna-Sigga Nicolazzi travels to Florida to revisit the shocking crime and talk with the dogged detective and tenacious prosecutor who ultimately won justice for the Ruiz family. Written by Torquemotha

Donna Decker returns home from work late on a Friday night and enters the grips of an intruder, who ties her up in the kitchen. She manages to free herself and goes after him with a knife, but he grabs it and stabs her 17 times. He then shoots her husband, father-in-law and two-and-a-half-year-old son, who had earlier been handcuffed and hogtied in the bedroom. But a family friend who is present during the crime is allowed to leave unharmed. Undefeated prosecutor Anna-Sigga Nicolazzi revisits the case through the eyes of the lead detective and state attorney. Over six years, these men followed a tangled web of leads until finally they identified and convicted the true killer. Written by TruYork

The evening of March, 1990, seems ordinary for single mother Donna Willard. Her three children go to bed and her fiancée plans to come over later that night. But when a knock comes at the front door of her Southwest Philadelphia home, she finds herself instead face to face with a hooded gunman. He shoots Donna twice, killing her instantly, with her twelve-year-old son witnessing the murder from the top of the stairs. For months, THE HUNT for her killer leads investigators to a maddening series of dead ends. Prosecutor Anna-Sigga Nicolazzi travels to Philadelphia to revisit the horrific crime and reveal how justice was finally won for the Willard family. Written by Torquemotha

It's late by the time 26-year-old law student Tracey Schoettlin finishes her serving shift at a restaurant in downtown Birmingham, Ala. She clocks out but never makes it home. The next day, her body is found beneath a bridge with 19 stab wounds, igniting a panic throughout the city and in the media. Investigators have no credible leads and the case goes cold. Then eight months later, a man shows up at the detectives' door with mystical visions from God about the brutal murder. Anna-Sigga Nicolazzi heads to Birmingham to get a first-hand account of the investigation and to discover how prosecutors obtained justice for the Schoettlin family. Written by Torquemotha

December 23, 1981, is supposed to be a happy day for Roxann Jeeves and her son, Kristopher. It's the boy's fifth birthday and they have plans to tour a candy factory. Instead, the day ends in unthinkable tragedy. Mother and son are brutally murdered together in a field outside Dallas. Their killer flees the scene and the case ultimately goes cold, but he leaves behind a critical piece of evidence that leads Det. Larry Forsyth on an epic 20-year hunt. Prosecutor Anna-Sigga Nicolazzi travels to Dallas to revisit the shocking crime and find out how justice was finally won for the Jeeves' family. Written by Torquemotha

An unidentified young woman is found murdered in the Arizona desert on Christmas Eve, 1988. Detectives soon learned her name, Cindy Monkman Apelt, who was reported missing by her husband the night prior. As investigators painstakingly piece together an account of Cindy's final hours, they move closer and closer to revealing her killer. Prosecutor Anna-Sigga Nicolazzi revisits the shocking crime with the detectives and state attorney who solved the case and ultimately won justice for Cindy's family. Written by Torquemotha