20/20 ALL-NEW: “This is the kind of case that people have nightmares about.” A mother kidnapped. Now, follow the real 911 calls as they unravel in this life-and-death case. The all-new 20/20 true crime event premieres Friday 9/8c on ABC. Stream on Disney and Hulu. | ABC 20/20

NEW 20/20 | A deadly mystery, a killer living a secret double life — and no one knew. Now, follow the clues and evidence on the hunt to catch a killer. “Her Last Note” the all-new 20/20 premieres Friday night, Jan. 23rd at 9/8c on ABC. Stream on Disney and Hulu. | ABC 20/20

For Friday's ALL-NEW Season Premiere, 20/20 obtained police videos that give a rare glimpse inside a crime victim’s fight to protect herself and her family. In the months before her death, Kristil Krug was concerned about emails and texts she received. Kristil showed police a detailed spreadsheet with interactions by an apparent stalker. Watch the all-new 20/20 "He's Right Behind You" premiere tonight (Sept. 26th) at 9/8c on ABC. Stream later on Hulu and Disney . | ABC 20/20