The web of lies, betrayal, cold-blooded murder and the secret recording never heard until now. 20/20 'They Know Everything' full episode premieres TONIGHT (June 20th) at 9/8c on ABC. Stream later on Hulu. | ABC 20/20

TONIGHT: It’s the shocking true crime that still has everyone talking - The Murdaugh Case. Now, 20/20 takes you deep inside the story with stunning details and new interviews. The true crime event premieres tonight at 9/8c on ABC. Stream on Disney and Hulu. | ABC 20/20

NEW TRUE CRIME | An unsolved murder and the child who was sent to prison for it, before his conviction was overturned. Who is the killer? The stunning new 20/20 'Gone Before The Storm' premieres Friday at 9/8c on ABC, and stream on Hulu. | ABC 20/20

A powerful & wealthy Southern family dynasty – shattered. A true crime mystery – still unraveling. Now, follow the evidence, the clues & see exclusive interviews with the family at the center of it all. The new 20/20 true crime event special premieres Friday night at 9|8c on ABC. Stream next day on Hulu. | ABC 20/20