Sacramento

Kentucky Judge Blows Up Plea Deal in Killing of Sacramento HVAC Boss

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Published on April 10, 2026
Kentucky Judge Blows Up Plea Deal in Killing of Sacramento HVAC BossSource: Unsplash/ Sasun Bughdaryan

A Kentucky judge has blown up a plea deal in a murder-for-hire case linked to the killing of a Sacramento HVAC business owner, saying the case belongs in front of a jury. The accused, a Napa man, had been ready to plead guilty to conspiracy charges in a plot prosecutors say involved a former California Highway Patrol captain. Instead of a quiet resolution, a sprawling multi-state investigation is now headed back to a courtroom where jurors will sort out what role, if any, others played.

According to KCRA, Thomas O'Donnell was prepared to plead guilty to conspiracy to commit the murder of Michael Harding. The deal covered criminal conspiracy to commit murder and evidence tampering and came with a 22-year prison term. The judge declined to accept it, saying he wants the matter to go to trial and for someone to be held accountable for Harding's death.

Prosecutors say Harding was lured to a vacant home in Burkesville, Kentucky, in September 2022 under the pretense of an HVAC service call and was shot there. Court filings and phone records reviewed by CBS Sacramento show dozens of calls between O'Donnell and Julie Harding in the months leading up to the killing, along with alleged bank withdrawals that prosecutors say followed her divorce filing. "He was scared to death," a friend told CBS Sacramento, describing Harding as the go-to fix-it guy in his Sacramento neighborhood.

Authorities say O'Donnell was arrested at Sacramento International Airport in December 2022 and later extradited to Kentucky. Just days after his arrest, Julie Harding was found dead outside the couple's Tennessee home in an apparent suicide, according to reporting by Fox News (Associated Press). State and federal investigators, including Kentucky State Police and the FBI, have worked the case across multiple states.

What's Next in Court

Prosecutors have previously filed notice that they intend to seek the death penalty in the case, and court documents outline the state's theory of a murder-for-hire plot, according to CBS Sacramento. With the plea deal now off the table, the case is headed toward a trial in Cumberland County, where prosecutors will present the evidence they have already sketched out in filings.

Legal Implications

The rejected plea would have limited O'Donnell's prison exposure to roughly two decades on the conspiracy and evidence-tampering counts. With a trial looming and a capital-case notice still on the record, the full range of penalties is back in play. Defense attorneys have said O'Donnell maintained his innocence, while prosecutors have laid out the allegations and supporting evidence in court filings and hearings, per KCRA.

For Sacramento neighbors, the latest turn is a grim reminder that a local small-business owner ended up at the center of a cross-state criminal case. With the judge rejecting the deal, the big questions about motive and who, if anyone, paid to have Harding killed will be aired in a Kentucky courtroom, not settled quietly on paper.