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Provided by Larimer County Sheriff's Office
Thomas Christopher MaresThomas Christopher Mares, 53, allegedly possessed 676,000 images and 18,000 videos, Fort Collins police said.
Fort Collins police and the National Center for Missing and Exploited Children estimated Mares had been collecting the sexually explicit files for 10 to 15 years.
Fort Collins authorities anyone with additional information about Mares to contact Detective Jason Curtis at 970-416-2776 or call Crime Stoppers of Larimer County at 970-221-6868.
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