Speaking in new 20/20 interviews, two detectives share how they cracked a Maryland mom's murder and what led them to an arrest 23 years after the shocking crime. Watch the all-new 20/20 “First Comes Love, Then Comes Murder” full episode premiere tonight, Sept. 12th at 9/8c on ABC. Stream this weekend on Disney and Hulu. | ABC 20/20

She knew nothing about the murders and was even living happily with the killer while he was secretly engaged to another woman. In her 20/20 interview with Ryan Smith, David Hoshaw's former fiancé recalls his arrest and learning about his double life. Watch ‘Betrayed’ - our newest episode of 20/20’s true crime limited series Bad Romance’ that features featuring interviews from our initial report in 2023 – airing tonight, May 9th at 10/9c on ABC. Stream the next day on Hulu. | ABC 20/20