What The Little Girl Saw recounts one of its most terrifying real-life stories about how words by a child helped to solve a ...

A young girl and a stunning murder mystery where “every single person in her life was a suspect.” 20/20 “What the Killer Left ...

Hundreds send comments, tips after ABC News "20/20" report on Paul Fronczak. Nov. 5, 2013 — -- Hundreds of ABC News viewers wrote in and many offered tips that could help solve the decades-old ...

Two hairdressers, could one be a murderer? 20/20 takes you inside this chilling murder mystery as it unravels. 'The Final Cut’ premieres Friday, Nov. 21st at 9/8c on ABC. Stream on Disney+ and Hulu.

A deadly mystery, a killer living a secret double life — and no one knew. 20/20 “Her Last Note” premieres Friday, Jan. 23rd at 9/8c on ABC Network. Stream on Disney + and Hulu.

Fans of true-crime stories are most likely dedicated viewers of both 20/20 and Dateline, two similar shows that both air on Friday nights (on ABC and NBC, respectively). The two long-running news ...