48 Hours
When Katlyn Lyon Montgomery dies in October 2022, her mother turns to TikTok to share her grief and demand justice, building an online community to help hold Katlyn's killer accountable.Start: 2026-08-05-100000
end: 2026-08-05-110000
Signs of a Psychopath
After the shooting deaths of father, mother, and two adolescent boys in their suburban Baltimore home, investigators realize it's not a robbery gone wrong but rather the execution of a loving family, done by a callous psychopathic killer.Start: 2026-08-05-110000
end: 2026-08-05-113000
Signs of a Psychopath
A killer guns down a 46-year-old woman, and detectives discover that a fleeing Sheriff's Deputy is the assailant; less than 48 hours later, they arrest him and reveal an unrepentant psychopath capable of executing the love of his life in cold blood.Start: 2026-08-05-113000
end: 2026-08-05-120000
Signs of a Psychopath
A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run; when a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill.Start: 2026-08-05-120000
end: 2026-08-05-123000
