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JSO: Man arrested for girlfriend's murder after she was found dead on Jacksonville's Westside

The Jacksonville Sheriff's Office says the man's girlfriend "sustained several traumatic injuries" and died by blunt force trauma.
Credit: Jacksonville Sheriff's Office
Jason Mieczkowski, 46, has been arrested and is accused of second-degree murder in the killing of his girlfriend, 61-year-old Lois Nelson.

JACKSONVILLE, Fla. — A man has been arrested for his girlfriend's murder after she was found dead on Jacksonville's Westside Thursday morning, with her death being ruled as "undetermined," according to the Jacksonville Sheriff's Office.

JSO's Sergeant Highfill said patrol officers responded to the 2800 block of Bulls Bay Highway at about 4:30 a.m. Thursday in reference to the woman who was "unresponsive."

The woman now identified as Lois Nelson, 61, was found with "an apparent head injury," and was pronounced dead at the scene, police said.

Nearly 13 hours later, at 5:29 p.m. Thursday, 46-year-old Jason Mieczkowski was arrested for Nelson's murder, his arrest report shows.

The report states that the murder is domestic violence-related and that officers found Nelson "partially naked, with bruising to her face and body" when they arrived at the scene. Furthermore, the report says Nelson "sustained several traumatic injuries, which were estimated to have happened within minutes to hours of the time of discovery and death." The Medical Examiner's Office then ruled that the homicide was caused by blunt force trauma, according to the report.

Mieczkowski "could not provide consistent information for a basic timeline of events," the report also mentions. The part of the report that mentions specific information as to what led to Mieczkowski being charged is redacted. He had been the subject of battery in two prior incidents, one in which he punched a former girlfriend in the face after an argument over finances resulted in a broken jaw, according to JSO.

Mieczkowski is now charged with second-degree murder in Nelson's death as well as violation of probation or community control, jail records indicate.

Resources

If you or someone you know needs help in a domestic violence situation, Hubbard House has a 24-hour hotline and text line. The hotline number is 904-354-3114 and the text line number is 904-210-3698.

You can also make an appointment or walk into the Hubbard House Outreach Center at 6629 Beach Blvd., Monday through Friday from 10 a.m. to 2 p.m. All Hubbard House services are free and confidential.

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