TRUE CRIME INVESTIGATION: A young woman goes missing. There’s no body, no murder weapon, no crime scene. Now, follow one mother’s crusade for justice. Stunning interviews & new details. The ABC 20/20 True Crime Event Special premieres TONIGHT at 9 on ABC7. | ABC7 News

NEW True Crime: Why did a handsome doctor, pilot, husband – really kill his wife? The only thing more shocking may be how he tried to cover up the crime. John Quiñones reports on the murder of a prominent doctor’s wife. Watch the all-new 20/20 - Friday at 9/8c on ABC. Stream next day on Hulu. | ABC 20/20

A web of lies, betrayal, cold-blooded murder and the secret recording never heard until now. The all-new 20/20 “They Know Everything" premieres Friday, June 20th at 9/8c on ABC. Stream on Hulu. | ABC 20/20

418K views · 6.3K reactions | TONIGHT on ABC: Ted Bundy | Now finally, his longtime girlfriend & her daughter reveal their haunting story. The stunning new interview and 20/20 Event Special airs TONIGHT at 9|8c on ABC. | ABC 20/20 | Facebook

3.3K reactions · 948 shares | NEW TONIGHT: Every parent's worst nightmare - their child vanishes. Now, watch the 'Undercover Girlfriend' who brought down a killer. Watch the chilling 20/20 television event premiering tonight at 9|8c on ABC. | ABC 20/20 | Facebook