Episode
20/20: Diary of a Killer
Overview
The murder of a beloved mom sparks an international manhunt; police uncover clues in an accused killer's diary.
Details
- Series
- 20/20
- Season
- Season 47
- Episode
- Episode 9
- Air date
- 2023-12-08
- Runtime
- 80 min
Episode context
Diary of a Killer is Episode 9 in Season 47 of 20/20. It aired on 2023-12-08. The runtime is 80 min.
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More episodes from this season
Episode 7: First Divorced Then Dead
Reporting on a verdict in the case of a beloved law professor's gruesome murder.
Episode 11: Three Shots in the Dark
A star cyclist is gunned down by a friend’s jealous girlfriend, and the international chase to find the suspect.
Episode 6: Baby Holly Found
After a young couple is murdered, their true identities lead to a shocking twist about their missing baby.
Episode 12: Missing from the Mall
A North Dakota student is abducted after shopping at the mall; inside the hunt to catch a killer before he kills again.
Episode 5: She Was Almost Home
A young woman's mysterious disappearance and the search-and-rescue operation that led police to a barn full of dark secrets.
Episode 13: There Is a Monster in Me
When a woman is found murdered, a written confession gives insight into the mind of her killer.
Episode 4: Deadly Vows
When a woman vanishes, police uncover her husband's dark past; the missing woman's own past comes under scrutiny.
Episode 14: Gypsy Rose: The Next Act
Gypsy-Rose Blanchard's story of murder, family, romance, deception and abuse; her first interview after her release from prison.
Episode 3: Snatched
When a boy is kidnapped riding a bike, parents, police and a blogger work to bring him home.
Episode 15: The Murderer In The Minivan
An attempted kidnapping leads police to a killer.