More details are emerging from the St. Croix Falls officer shooting on Aug. 8.

Monday, Barron County Sheriff’s Office released the names involved as they investigated the shooting portion of the case. 

St. Croix Falls police responded to a 911 call at the Dalles House Motel at 9:44 p.m., stated in a news release. The caller responded that an adult female in a room needed help as her boyfriend had a knife. 

Officers arrived within two minutes of the call; knocked on the motel room door identifying themselves as police officers. Terry Treleven, 45, Eau Claire, opened the door with a knife in his hand, holding it in an aggressive manner. Treleven was ordered several times to drop the knife by both officers. 

He refused and then came towards officer Patrick Mariakis, who discharged his handgun. Treleven died at the scene. Besides officer Mariakis, officer Micah Lebrun was at the scene.  

The adult female was found to have several stab wounds to her neck, chest and hands. She was taken to St. Croix Regional Medical Center, then airlifted to Regions Hospital in St. Paul, where she is continuing to recover. Her name was not identified. 

The St. Croix Falls Police Department were assisted by the Barron, Polk and St. Croix County Sheriff’s Departments, Wisconsin Department of Justice State Crime Lab, Polk County Medical Examiner’s Office and Polk County District Attorney’s Office.   

Barron County Sheriff Chris Fitzgerald said their portion of the case is complete and it is being forwarded to the Polk County District Attorney’s Office for review.

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