Officials have identified the Mazomanie woman found dead Sunday night as 43-year-old Cheryl Gilberg.
Dane County Sheriff Dave Mahoney said in a news conference Tuesday the medical examiner ruled that Gilberg died from "homicidal firearm violence to the head."
Deputies were called to 306 Scott St. at 7:10 p.m. Sunday for a report of an injured woman.
Gilberg was pronounced dead at the scene by the Dane County Medical Examiner's Office.
Neighbors told News 3 there was some kind of commotion in the garage shortly before investigators showed up Sunday night.
Mahoney said there was a history of domestic violence at the home, and that Gilberg filed for a restraining order last week. Court records show she filed it against a former or current live-in boyfriend, and it was scheduled to go to court Wednesday. Mahoney wouldn't say if that man is being questioned.
Mahoney said there were incidents Gilberg reported within the last month, but he made it clear that there is nothing definitively linking her death to domestic violence at this point in the investigation.
"There's nothing that points, at this point, definitively that this is an act of domestic violence as we investigate the homicide. We know there had been incidents in the past going back to December 2013," Mahoney said.
He said Gilberg owned the house, and was the only person living there at the time of the incident. Gilberg was found by a family member who was checking on her.
Deputies said detectives have conducted more than 100 interviews, but no one has been charged.
“As of this afternoon no one has been charged with a homicide, but all of our detectives, as I mentioned, are working feverishly and at a past pace to bring this investigation to a resolution, and it is developing rapidly,” Mahoney said.