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New info emerges in Montfort teen death
Ashton Johnson

One of three people who live in a Montfort house where a 17-year-old died Oct. 1 made his first Grant County Circuit Court appearance Monday.

Ashton C. Johnson was charged with possession with intent of up to 200 grams THC.

Johnson is free on a $500 signature bond. A status conference is scheduled for Tuesday. He faces up to 3½ years in prison and $10,000 fine if convicted.

No charges have been filed in connection with the death of Addison Rose Colomer of Montfort, who was found dead in a house at 301 W. Main St. in Montfort Oct. 1.

Colomer’s sister, Maddie Deutsch, said Colomer “was found dead in someone else’s house of a supposed self-inflicted gun shot wound.”

Sheriff Craig Reukauf told WKOW-TV in Madison the cause of Colomer’s death was ruled undetermined by the Grant County Coroner’s Office.

The Justice for Addison Rose Facebook page said Ashton Johnson was arrested based on evidence found during Colomer’s death investigation.

Another person who lives at the house according to court records, Christopher J. Johnson, 44, had a status conference in Iowa County Circuit Court Tuesday on second- or subsequent-offense party to possession with intent of 5 to 10 grams heroin, second- or subsequent-offense party to possession with intent of 10 to 50 grams fentanyl, second- or subsequent-offense party to maintaining a drug trafficking place, party to possession of drug paraphernalia as a repeat offender, and two counts of felony bail jumping as a repeat offender.

Christopher Johnson faces up to 25 years in prison and $100,000 in fines on the drug possession charges.

Christopher Johnson also faces charges of felony retail theft of $500 to $5,000 and an additional felony bail jumping charge for a 2025 incident, and fourth-offense operating while intoxicated, operating after revocation (refusal), fourth-offense operating with a restricted controlled substance, two additional felony bail jumping charges and two misdemeanor bail jumping charges for a 2023 incident. His trial on the 2023 charges is scheduled for Aug. 13.

Another person listed in court records as living in the house, Linda M. Johnson, 72, made an initial Iowa County Circuit Court appearance June 30 on a felony charge of threat to cause bodily harm to certain individuals involved with a court or legal system, for an incident April 17.

Linda Johnson is free on a $500 signature bond. A status conference is scheduled for Aug. 11. She faces up to six years in prison and $10,000 fine if convicted.

Reukauf said the Sheriff’s Office wants to talk to anyone who had contact with Colomer before her death. Sheriff’s deputies responded to the call Oct. 1 around 2:35 a.m. Anyone with information is asked to contact Sheriff’s Sgt. Mark Schwarz, 608-723-2157.

Deutsch said her family is looking for anyone who was in Montfort between Sept. 30 at 6 p.m. and Oct. 1 at 3 a.m., or anyone who recognizes a dark-colored diesel flatbed truck or a green Ford F-150 pickup in that area that night.

Christopher Johnson
Linda Johnson