In Southwest Florida, Terrance Williams, a young father, disappears. As his mother retraces his steps she uncovers something ominous: the last known person to see Terrance alive has a strange and disturbing connection to another missing man.

In Southwest Florida, Terrance Williams, a young father, disappears. As his mother retraces his steps she uncovers something ominous: the last known person to see Terrance alive has a strange and disturbing connection to another missing man.

When a paramedic and mother is found dead and covered in paint in the basement of her Massachusetts home, investigators must work tirelessly for 18 months to find the person responsible.

Two teenage girls fall for men who seem to care about them. Instead, the girls are lured into human trafficking and coerced into prostitution.

When a young husband is thrown in jail for the murder of his newlywed wife, most people in their small Oklahoma community believed the case was solved. But odd cell tower records and surprising DNA evidence force investigators to take a second look.

In St. Petersburg, Florida, Cabretti Wheeler and his friend Kyle Ellis are killed. When the only eye-witness vanishes, it's up to Cabretti's mom, Lisa Wheeler, to help police solve the case, even if it means risking her own life for justice.

Margaret Purk is just days away from having her first baby when, after an apparent suicide by hanging, she and her unborn son are dead. Twenty-four years later, new clues lead investigators to re-open the case. Was this suicide actually a homicide?

On an Easter Sunday, 18-year-old Heidi Allen vanishes from her convenience store job. Two brothers are arrested for the kidnapping, but only one is convicted. Years later, a chilling new story emerges implicating three other men in the crime.