20/20

Who would want to kill Kristil Krug, a mom of three kids? Follow the clues in a race against time to catch a deadly stalker.

In 2010, Joseph and Summer McStay and their two young sons vanished from their Fallbrook, California, home. For nearly four years, the family’s fate remained unknown—until a grim discovery in the Mojave Desert turned the missing persons case into a homicide investigation.

21-year-old mother Denise Amber Lee disappears from her North Port, Florida, home. Follow the real 911 calls as they unravel in this life-and-death case.

In Horry County, South Carolina, Gregory Rice's disappearance in early October 2020 sparked a search that eventually uncovered a secret affair.

In Mayfield, Kentucky, 18-year-old single mother Jessica Currin was brutally murdered in 2000. The case haunted the town for years until a jury convicted Quincy Omar Cross in 2008. What began as a local tragedy has become a national conversation about truth, power, and accountability as Cross's claim of a wrong conviction gains momentum.