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Case Description
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Carl Mosser, aged 33, tragically lost his life on January 2, 1951, in a brutal murder that shocked the nation. Mosser, along with his wife Thelma and their three children—Ronald Dean, 7, Gary Carl, 5, and Pamela Sue, 3—were victims of a heinous crime committed by William Edward "Billy" Cook Jr., a notorious spree killer from Joplin, Missouri.

Billy Cook's crime spree began in late December 1950, when he acquired a .32-caliber snub-nosed revolver in El Paso, Texas. On December 30, 1950 ...Read More
Victim Details

Carl Mosser

Male

Joplin

MO

1951-01-02

33

Carl

Mosser

11/08/2025