UPDATE: The Winnebago County Sheriff's Office has released more information about the shooting death of a teen girl in Machesney Park overnight.
The sheriff's office says a 16-year-old girl was found shot and killed inside her home in the 1000 block of Minns Drive around 12:30 a.m. Wednesday. Family members have identified the teen as Rebecca Finkenhofer.
Rebecca's 63-year-old grandmother Cheryl Puckett was also shot during the incident. The grandmother suffered a gunshot wound to the face while she was inside the apartment and is being treated for life-threatening injuries at the University of Wisconsin-Madison Hospital.
Police say the suspect, Michael Mernack, 36, was shot by deputies shortly after they arrived on the scene. They say they found him armed with a gun outside the apartment when they arrived.
Mernack is being treated for life-threatening injuries at a Rockford hospital. He is in the ICU.
There has been a warrant issued for aggravated assault for Mernack and he is facing a $200,000 bond. Any further charges are pending the conclusion of the investigation and a review by the Winnebago County State’s Attorney’s Office.
A post on Mernack's Facebook page timestamped about an hour before the shooting says, "I'm f***ed up so if your on the s**t list watch out."
Family members say Mernack and Rebecca's mother, Megan Cabay, dated for a time. Megan Cabay took out an order of protection against Mernack back in November.
The Winnebago-Boone County Integrity Task Force has been called in to investigate because of deputies use of deadly force.
A 16-year-old girl is dead and her grandmother is in the hospital after a shooting at a Machesney Park home just after midnight Wednesday morning.
According to the Winnebago County Sheriff's Office, deputies responded to a domestic call around 12:30 a.m. In the 1000 block of Minns Drive. When deputies arrived they found a 16-year-old girl dead in the home as well as the girl's grandmother, who had also been shot.
Deputies shot an adult male suspect at the scene and that man is being treated at a hospital. It is unknown at this time what the relationship is between the suspect and the two victims who were shot.
The Winnebago-Boone County Integrity Task Force has been called in to investigate the use of force, which is standard procedure in police-involved shootings. The Winnebago County Sheriff's Office is continuing to investigate the shooting of the teenager and her grandmother.