AURORA, Colo. (CBS4)– An Aurora police officer has been arrested and placed on unpaid administrative leave after he turned himself in on a warrant.

Matthew Ewert (credit: Boulder County)

Officer Matthew Ewert, 34, was arrested by officers from the Erie Police Department. He faces charges of attempting to influence a public servant, tampering with physical evidence and first-degree official misconduct.

READ MORE: Bear Euthanized After Falling From Colorado Springs Waterfall

The case involves his nephew. That nephew allegedly threatened a teenager with a gun on July 1.

READ MORE: Foul Ball With Foul Results; Loveland Player Receives 500 Stitches After Collision With Outfield Fence

Erie police allegedly found the gun in Ewert’s garage.

MORE NEWS: Stimulus Check Latest: Is A Fourth Relief Payment Coming?

Ewert has been with the Aurora Police Department since 2010.