Detectives Tara Augustin and Alyson Dupouy investigated the 2001 murder of Leslie Preer, who was killed in her home in a ...

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

A shocking murder and stunning case. Go inside the mystery and investigation. 20/20 “First Comes Love, Then Comes Murder” ...

A Colorado dentist and father of six who killed his wife by poisoning her protein shakes. The all-new 20/20 “21 Days to Murder" premieres Friday, Sept. 19th at 9/8c on ABC. Stream on Hulu and Disney+.