Colby-Abbotsford Police, Marathon and Clark County Deputies responded to the scene. Officers identified 18-year-old Megan R. Dupee as as the 911 caller. Dupee was transported to the Marshfield Medical Center and treated for non-life threatening bullet wounds. Officers located 21-year-old Cierra L. Hardrath and 25-year-old Duane R. Lopez, Jr. inside the residence, both deceased from gunshot wounds.

Cierra Hardrath’s live-in boyfriend, 26-year-old Tyler Zimmerman, surrendered to police when he returned to the crime scene. Zimmerman and Hardrath resided together in Owen. Lopez, Jr. and Dupee were engaged to be married and had no affiliation with Zimmerman. The homeowner, Parker Knautz, and his two children were home at the time and did not know Zimmerman personally. They were not harmed during the incident.

Zimmerman will be referred to the Marathon County District Attorney for two counts of intentional first degree homicide and one count of attempted intentional first degree homicide.

Zimmerman will have an initial appearance at 2 p.m. Jan. 22 at the Marathon County Court House.