When an international student is abducted and held for ransom, investigators must race against the clock to find him. What happened to Wanzhen Lu?
A young couple suddenly vanishes, leading to an international manhunt and a quest for justice. What happened to Kristy and Quoc?
When a mother of two doesn’t return home from work one evening, her family is desperate to know the truth: Where is Calandra?
A mysterious death on a California ranch uncovers more secrets than anyone bargained for. Someone knows what happened to Jodi Newkirk… but who?
When a wealthy widow suddenly vanishes, her vast estate takes center stage. But the most important question remains: What happened to Dia Abrams?
When a young woman celebrating her birthday in Hawaii is found dead, investigators must piece together a timeline of her last moments and answer the question: Who killed Ivanice?
A small boy found wandering alone in a parking lot sparks a multi-state search for a missing mother. Where is Leila Cavett?
When a young man is brutally murdered on his way home from work, investigators are left with more questions than answers, and a small Oregon town wonders: Who killed David?
When a young man vanishes the day after Christmas, his family is desperate for answers. Where is Brent Garcia?
Looking back at several previous episodes with significant case updates.