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Warren man convicted of second-degree murder in 2008 killings of brother, sister-in-law
Summary by The Detroit Editorial Desk · Based on reporting by Samantha Sayles , WDIV ClickOnDetroit (NBC) - Local News
· July 22, 2026
· 1 min read
A hearing this week determined that a Warren man pleaded no contest to second-degree murder in connection with the deaths of his brother and sister-in-law in Livingston County in 2008. Jerome Kowalski , 79, of Warren, initially pleaded no contest to two counts of open murder and two counts of fel...
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Summary created by The Detroit Editorial Desk — automated, rule-governed Original reporting Samantha Sayles, WDIV ClickOnDetroit (NBC) - Local News Original story Read at the source Source published Jul 22, 2026 Indexed here Jul 22, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
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Key takeaway Jerome Kowalski , 79, of Warren, initially pleaded no contest to two counts of open murder and two counts of felony firearm.
Why this matters in The Detroit
The resolution of Jerome Kowalski's case brings closure to a decade-long saga that has raised questions about the integrity of the judicial system in Michigan. The misconduct of former Judge Theresa Brennan, who had an affair with the lead investigator, led to the vacating of Kowalski's initial conviction, highlighting the need for accountability and transparency in the courts. Kowalski's release from prison after serving 13 years and eight months has likely been a complex issue for the community, particularly for the families of the victims. As the case moves forward to sentencing, the community will be watching to see how the court balances justice for the victims' families with the unusual circumstances surrounding Kowalski's conviction. The fact that Kowalski pleaded no contest to second-degree murder, rather than first-degree, may also impact the sentencing and the community's perception of justice being served.
About this story
Original reporting by WDIV ClickOnDetroit (NBC) - Local News . The Detroit surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit WDIV ClickOnDetroit (NBC) - Local News . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: July 22, 2026 ·
Source: WDIV ClickOnDetroit (NBC) - Local News ·
Reading time: 1 min
Frequently asked about this story
What is this story about? A hearing this week determined that a Warren man pleaded no contest to second-degree murder in connection with the deaths of his brother and sister-in-law in Livingston County in 2008. Jerome Kowalski , 79, of Warren, initially pleaded no contest to two counts of open murder and two counts of fel...
When was this published? This article was first published on July 22, 2026 by WDIV ClickOnDetroit (NBC) - Local News and curated for The Detroit readers.
Who reported this story? This story was reported by Samantha Sayles at WDIV ClickOnDetroit (NBC) - Local News. To learn more about how The Detroit selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The Detroit, or browse our daily briefing and topic hubs .
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