48 Hours

Tiffani McInnis was a teenager when her mother, Kimberly Langwell, failed to return home from work, leaving her family searching for answers. For decades, Tiffani lived with uncertainty, holding on to the hope that she would one day learn what happened to her mother. More than 20 years later, detectives in Beaumont, Texas, received critical information that would breathe new life into the cold case. Their investigation led to a secret grave and a horrific discovery that finally revealed Kimberly Langwell's fate. 

The last known sighting of a missing teenager leads investigators to a remote Iowa farm, where photos discovered on an old cell phone reveal critical clues. As law enforcement works to make sense of the evidence, those images help them put the pieces together and determine what happened to 14-year-old Jade Colvin. 48 HOURS correspondent Natalie Morales investigates how the case unfolded and how investigators used the photos to uncover the truth.

In 1984, three teenage girls went missing from the same Long Island area within months of each other. Fifteen-year-old Kelly Morrissey walked out of her home on June 12 and was never heard from again. Five months later, her friend Theresa Fusco, 16, vanished after leaving her job at a local roller rink. And then four more months after that, 19-year-old Jackie Martarella never showed up for a shift at a Burger King. Nearly 41 years later, a breakthrough involving DNA from a smoothie straw has finally brought new answers in one of the cases. 

Gloria Choi, a young single mother from Washington, had a chance meeting that led to what appeared to be a dream romance. Her new boyfriend, Billy Rickman, showered her with attention, convincing those around her that he was deeply devoted. But investigators would later uncover a far more troubling reality. As police pieced together what was real and what was deception, the investigation revealed how the relationship spiraled into violence and ended in murder