A 9-year-old girl is last seen heading toward the woods of rural South Dakota in the dead of winter with no coat. She disappears as a snow storm is rapidly approaching. Was she hiding? Did someone pick her up? Search teams have combed thousands of miles of rugged terrain, but the mountains have held onto their secrets. And one haunting question still echoes through the Black Hills… Where is Serenity Dennard?

Twenty days before the murder of Roger Eastwood, truck driver Leon Rascoe was attacked after pulling over to rest on the Pennsylvania Turnpike. Shot at close range with no witnesses and few answers, his case reveals a piece of evidence that connects two murders across state lines.

A routine overnight haul ends in murder when a truck driver pulls over on I-295 in New Jersey and crosses paths with someone he never should have met. Witnesses report two long haired men, a mysterious vehicle, and a timeline that narrows to a single, deadly hour.

In September 1980, two young U.S. Marines—Lance Corporal Rodney “Rocky” Padilla, 19 and Lance Corporal Larry Martens, 21—left Marine Corps Base Hawaii at Kaneohe Bay for a night on the town. Hours later their bodies were found in a remote beach park, beaten and shot in a brutal crime that has never been solved. Investigators believe there is at least one witness who has remained silent for decades. Could that witness and modern forensic science finally solve this cold case?

This holiday season, we’re revisiting one of the most unforgettable nights in upstate New York law enforcement history. Christmas Eve 1974: a trooper critically injured, a family lost in a fiery crash, and officers suddenly delivering twins with no ambulance in sight. Former Fulton PD officers Lt./Retired Larry Mullen and Capt./Retired Arlen Cline relive one unforgettable night—tragedy and joy colliding in this special Behind the Badge re-release from APB Cold Case.

We return with an update to the chilling case of Marina Ramos, whose brutal murder stunned listeners—especially after it was revealed that her baby daughters had vanished around the time of their mother's death. Now, in this sequel to Murder in the Mohave, a shocking new development emerges: 36 years later, the two missing girls have been found. Join us as we re-examine the case, revisit the key players, and dive back into a mystery that refuses to rest.

For a few police officers in upstate NY, Christmas 1974 is indelibly etched in their memories. The blustery winter night began with a state trooper colleague being critically injured by a drunk driver, ironically, while he was investigating a separate drunk driving crash. Then officers respond to another crash that claimed the lives of a family, the victims trapped within the fiery wreck. Some of those officers are diverted to an urgent maternity call, arriving to find a woman ready to give birth - but no ambulances are available. In this special “Behind the Badge” episode of APB Cold Case, former Fulton PD officers Lt./Retired Larry Mullen and Capt./Retired Arlen Cline share their memories of a dramatic night and how they maneuvered from the horror of one of the worst tragedies of their careers to the joy of delivering twin babies into the world.

A 35-year-old woman is found dead in her apartment. Decomposition has made it impossible to determine the cause of her death, but a person of interest has emerged in the investigation and his pattern of behavior is disturbing. Could he be… The Man on the Stairs?

In 1998, a woman goes missing shortly after her 35th birthday. A man she’s dating is the last known person to see Marla Ware before she’s found almost 2 months later, decomposing in her bedroom. But in the days before the discovery of her body, witnesses see someone lurking around her apartment. Who is… the Man on the Stairs?

In the 1970’s and 80’s, one-man terrorized residents of California in an horrific, 13-year crime spree. His atrocities included murder, kidnapping, rape and robbery. For years, he eluded law enforcement… until 2018 when he was caught. In this special Spotlight episode, we examine the WAY in which a dangerous predator was ultimately identified and how it changed the way we look at DNA as a crime fighting tool.