Northern Colorado law enforcement agencies work day and night to keep our cities and towns safe. Whether they are assisting citizens or fighting crime, their jobs are anything but easy.

One of their challenges is tracking down suspects on the Most Wanted list. The Larimer County Sheriff's Office continually updates its Most Wanted list, allowing citizens to provide information regarding any of the alleged criminals, such as their whereabouts or other details.

This week, Larimer County's most wanted is Mark Allen Willis.

Willis is wanted by the Larimer County Sheriff's Office on Felony charges for Marijuana-Conc-Conspiracy >50 lbs/25 lbs / Marijuana-Conc-Possession with Intent>50 lbs/25 lbs / Marijuana Concentrate-Hazardous Extract. He has no bond.

The suspect is six feet tall and weighs 200 pounds. He has brown hair and blue eyes. Willis's last known address is 6543 Westbourn Cr. in Fort Collins.

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If you have any information concerning this person, please contact the Larimer County Sheriff’s Office at 970-416-1985. Never attempt to follow or contact any fugitive. Instead, immediately dial 911 or contact your local law enforcement agency. All suspects are presumed innocent until proven guilty in a court of law.

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Gallery Credit: Kelsey Nistel