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Case Description
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Ronald Dean Mosser, a 7-year-old boy from Joplin, Missouri, tragically lost his life on January 2, 1951. His death was part of a horrific crime spree committed by William Edward "Billy" Cook Jr., a notorious spree killer. Cook's crime spree began in late December 1950 and spanned multiple states, including Missouri and California.
On December 30, 1950, Cook kidnapped a motorist in Texas, marking the start of his violent rampage. Shortly after, he encountered the Mosser family, who were tr ...Read More
On December 30, 1950, Cook kidnapped a motorist in Texas, marking the start of his violent rampage. Shortly after, he encountered the Mosser family, who were tr ...Read More
Links to Additional Sources (4)
See any mistakes?Victim Details
Ronald Dean Mosser
Male
White / Caucasian
Joplin
MO
1951-01-02
7
Ronald
Dean Mosser
11/28/2025
Forum Posts (1)
Can we talk about the impact on Ronald Dean Mosser's surviving family and the community of Joplin? I... ...Read More
02/17/2024
02/17/2024
