There are 36 unsolved and open cases in Larimer and Weld counties right now.

These cases are cold, meaning they are no longer being actively pursued due to a lack of evidence.

However, that doesn't mean they are unsolvable — it's always possible that someone knows something.

While each case poses a frustrating mystery, here are the 10 most puzzling cold cases in Northern Colorado.

Anyone with information about these cases is asked to contact local law enforcement.

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