When a law enforcement officer is gunned down in cold blood, detectives will stop at nothing to seek justice for one of their own. But with no witnesses to the…

When 16-year-old Diamond Bradley disappears from home, her family is mystified. Detectives hope surveillance footage will lead them to the missing girl before it’s too late, but the trail Diamond…

When she was a teenager, Sarah Garone was regularly targeted by an anonymous predator for almost a decade. Each time her mysterious assailant struck, Sarah ran to her stepfather, Gary…

When Marcel Reardon is discovered bludgeoned to death outside a building, his friends deny all knowledge of his murder. But detectives are convinced at least one of them is lying….

On April 23, 2016, car salesman Hufracio Arteaga is found stabbed to death in his Michigan City, Ind., office; with no witnesses, investigators use surveillance cameras from an adjacent building…

On Nov. 7, 2014, 69-year old Ina Clare Richardson is found brutally murdered in a public park in Clarkston, Wash.; with no witnesses, investigators turn to surveillance cameras to piece…

On March 29, 2016, Louise Dickey is discovered murdered in a bath of her own blood; with no imaginable motive for the homicide and no witnesses, detectives seek out surveillance…

On Dec. 23, 2009, Beth von Steinner goes missing, then her frozen body is found days later in a trash pile behind her house; with no witness or suspects, only…

On Oct. 26th, 2009, widower Philip Gatusso is murdered in the quiet town of Fargo, N.D. As his in-laws drive across states to care for their now orphaned granddaughter, detectives…