Man charged in Grafton shooting incident posts $300K bail

A 64-year-old Grafton man accused of shooting a gun from a window in his Grafton home during a domestic dispute last week has posted $300,000 bail to be released from jail.

John D. Tomasini, who according to a criminal complaint fired the handgun from an upstairs window with a direct line of sight to a woman sitting on an outside deck, is charged in Ozaukee County Circuit Court with first-degree recklessly endangering safety with the use of a dangerous weapon, a felony, and misdemeanor counts of criminal damage to property and disorderly conduct with the use of a dangerous weapon in connection with a Monday, June 29, incident at his home on Kohlwey Drive.

During a July 1 hearing, Judge Sandy Williams set bail for Tomasini at $300,000 and ordered him not to possess guns or other dangerous weapons, surrender his guns to the Grafton Police Department and submit to GPS monitoring if released from the county jail. Williams also ordered him not to have contact with the people living at the house where the incident occurred.

According to court records, Tomasini posted bail the following day.

Tomasini was arrested after Grafton police officers were called to his house at 3:58 p.m. for a report of a gun fired in the home.

Officers arrived and spoke with a woman who said she and Tomasini are in a relationship and living together and that since June of 2025 he has been accusing her of having an affair, according to the complaint.

On Sunday, June 28, she said, Tomasini accused her of cheating on him and they got into an argument. The woman said she was afraid because Tomasini was yelling at her so she ran to a neighbor’s property and said she would only come home if he calmed down. She eventually returned to the house and she and Tomasini went to sleep, the complaint states.

The woman said after she woke up at 7 a.m. on July 29, Tomasini asked to watch video from cameras inside the house because he suspected it captured sounds of her cheating on him, adding that such occurrences were common, according to the complaint.

The woman said Tomasini’s accusations intensified throughout the morning and at one point the two began pushing each other.

Around 3 p.m., the woman said, she went to the back deck to allow Tomasini to cool down. About 20 minutes later, Tomasini went outside, stood over the woman and yelled at her, the complaint states.

The woman said Tomasini then went inside and a short time later she heard a gunshot from inside the house. She said she remembered hearing the sound of a screen being put back into place coming from the upstairs bedroom, according to the complaint.

The woman said she went upstairs to find Tomasini lying face down on a bed. He said, “I just can’t take it anymore. I can’t be with you,” the complaint states

The woman saw a handgun next to Tomasini, and after he went into the bathroom to take a shower, she took the gun and put it in a cubby next to the front door.

A witness reported seeing Tomasini standing over the woman and the woman yelling, “Get off of me,” before hearing a gunshot, according to the complaint.

Authorities determined the gun was fired from the southwest upstairs bedroom of the house and saw that a screen had been removed from the window in that room. An officer noted that the back deck of the house, where the woman was sitting when the shot was fired, could be seen from the window. A bullet casing was found in the backyard in a location consistent with the bullet being fired from the bedroom window, the complaint states.

Officers found the gun the woman put by the front door as well as other firearms in the house. Marijuana and drug paraphernalia were also found in the home, according to the complaint.

Tomasini said he was cleaning his gun when it fired, adding that he made sure the gun was “out the window, or close to the window, in case something happens,” the complaint states

A broken cell phone was found in the house. The woman said the damage happened when she dropped it, but Tomasini said he threw the woman’s cell phone, causing it to break, because she threw his phone first.

Tomasini is charged as a repeat domestic abuse offender because he was convicted of two misdemeanor counts of domestic abuse disorderly conduct in June 2022 in Washington County. A judge sentenced him to 90 days in jail but stayed the sentence and placed him on probation for 18 months.

The felony he is now charged with — first-degree recklessly endangering safety — is punishable by a maximum 7-1/2 years in prison and five years of extended supervision, although the term of imprisonment can be increased if the crime was committed with a dangerous weapon.