'Pity and disgust': Woman deceived by Colorado dentist who poisoned his wife discusses trial, aftermath

Two years after a Colorado dentist murdered his wife, his former girlfriend revealed how he left lasting trauma.

Getting Gligor: How detectives used genetic genealogy to crack open a 23-year-old cold case

Detectives Tara Augustin and Alyson Dupouy investigated the 2001 murder of Leslie Preer, who was killed in her home in a ...
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Celebrate 70 years of Disneyland in a new '20/20' special

Upcoming attractions. Celebrity interviews. All the magic. Watch the special edition of "20/20" as it celebrates 70 years of ...

Trailer: 20/20 ‘First Comes Love, Then Comes Murder’ airs Sept. 12th on ABC

A shocking murder and stunning case. Go inside the mystery and investigation. 20/20 “First Comes Love, Then Comes Murder” premieres Sept. 12th at 9/8c on ABC Network. Stream on Disney+ and Hulu.

Meghan Markle, Prince Harry and More Celebrate 70 Years of Disneyland in Trailer for “20/20” Special (Exclusive)

On Sunday, Sept. 21, ABC News will premiere The Happiest Story on Earth: 70 Years of Disneyland — A Special Edition of 20/20.