13 O'Clock

Episode 477: Killer Mother Diane Downs


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Elizabeth Diane Downs, born in 1955 in Arizona to a strict fundamentalist family, grew up in emotional isolation that fueled her narcissistic and histrionic tendencies, leading to an impulsive marriage at 18, multiple affairs, and three children she viewed as burdensome obstacles to her romantic obsessions. On May 19, 1983, in rural Oregon, the 27-year-old postal worker shot her children—eight-year-old Christie, seven-year-old Cheryl, and three-year-old Danny—at close range during a staged roadside ambush, killing Cheryl and leaving the others severely disabled, all to eliminate them as barriers to reconciling with her married lover, Robert “Nick” Knickerbocker. Her fabricated tale of a “bushy-haired stranger” quickly unraveled under forensic scrutiny, Christie’s hypnotic testimony, and her own failed polygraphs, culminating in a 1984 trial where she was convicted of murder and attempted murder, sentenced to life plus 50 years. Downs’ chilling lack of remorse persisted through a 1987 prison escape, multiple denied paroles, and psychological evaluations diagnosing her as a malignant hysteric psychopath; her case, immortalized in Ann Rule’s Small Sacrifices and a 1989 TV movie, exposed the horrors of maternal filicide while profoundly scarring survivors Christie and Danny (adopted by prosecutor Fred Hugi) and her fourth child, Rebecca. As of October 2025, at age 70 in a California prison, Downs’ latest appeal—challenging nonunanimous jury verdicts—grinds on amid public outrage, underscoring her unyielding denial and the enduring legacy of a mother’s monstrous betrayal.

Audio version:

https://archive.org/download/episode-477-killer-mother-diane-downs/Episode%20477_%20Killer%20Mother%20Diane%20Downs.mp3

Video version:

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Channel art and audio & video editing by Jenny Ashford. Music & sound effects courtesy of freesound.org users jamespotterboy, corsica-s, enjoypa, capturedlv, luffy, kiddpark, and justkiddink. Video clips courtesy of Videezy & Videvo.

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