A sorority girl goes missing after getting into a ride share.

A man goes missing after a woman is found dead in his bed.

A social media star is murdered and her boyfriend posts photos online.

A pre-wedding trip to Las Vegas devolves into a murder.

A woman was shot dead while out walking the dogs in Indianapolis.

Well-liked loan officer Connie Boelter is found dead in her apartment.

A man goes missing while on a hike in China and his family fears foul play.

A wealthy man vanishes after being charged with murdering his wife.

A family camping trip turned tragic when 2-year-old DeOrr Kunz vanished.

A teen boy disappears after visiting his father on a court-ordered visit.

A woman who had top military security clearance is found dead at home.

The family of college student fights to get answers how their son died.

A woman's death is ruled a suicide but her family suspects foul play.

17-year-old Tiffaney Wilson and her infant daughter disappear into thin air after a trip to take pictures with Santa. When another local woman is brutally attacked, and others go missing, police suspect that a serial killer is stalking women.

When Ft Bragg medic Kelli Bordeaux fails to report for duty in April of 2012, her family, friends, and the army know that something is terribly wrong. After the case goes cold, a private investigator thinks a local bar worker is the key to solving.

On a night that Kalamazoo, Michigan will never forget, a series of deadly shootings leads law enforcement on a race against the clock to track down a deranged driver before he kills again.