BRIAN ENTIN INVESTIGATES
BRIAN ENTIN INVESTIGATES
January 13, 2026

How much planning went into Tepe murders? Dr. Michael McKee in court as investigation deepens

Quick Read

Dr. Michael McKee, a successful vascular surgeon, is now charged with aggravated murder in the shooting deaths of his ex-wife and her husband, with new evidence suggesting premeditation and a long-held grudge.
Charges against Dr. Michael McKee were upgraded to aggravated murder, implying police have evidence of premeditation.
Retired FBI agent Moren O'Connell theorizes McKee was a 'grievance collector' who stewed over his divorce for eight years.
McKee's calm demeanor in court and lack of criminal history contrast sharply with the brutal double murder.

Summary

Dr. Michael McKee, ex-husband of Monique Tepe, faces aggravated murder charges for the shooting deaths of Monique and her husband, Spencer Tepe, in their Columbus, Ohio home. The murders occurred eight years after McKee's divorce from Monique, while their two young children were present. McKee, a vascular surgeon from Illinois, appeared calm during his extradition hearing and did not fight the transfer to Ohio. The charges were upgraded from murder to aggravated murder, indicating police believe premeditation was involved, though the arrest affidavit only cited a car linked to McKee and surveillance video. Retired FBI agent Moren O'Connell speculates McKee was a 'grievance collector' who stewed over his perceived ruined life, possibly stalking Monique and planning the attack. A new 911 call from a neighbor reporting someone banging on doors a week before the murders is considered by O'Connell to be unrelated.
The upgrade to aggravated murder charges signals that investigators possess significant, undisclosed evidence pointing to premeditation, potentially including stalking or a detailed plan. The psychological analysis by a retired FBI agent provides a framework for understanding how a successful professional could commit such a violent act years after a divorce, highlighting the 'grievance collector' mental model and the thin line between suicidal and homicidal ideation.

Takeaways

  • Dr. Michael McKee, a vascular surgeon, is charged with the aggravated murders of his ex-wife, Monique Tepe, and her husband, Spencer Tepe.
  • The murders occurred eight years post-divorce, with the couple's children in the house.
  • McKee appeared calm and unemotional during his Illinois extradition hearing, agreeing to transfer to Ohio.
  • Aggravated murder charges indicate police believe the killings were premeditated, suggesting more evidence than publicly released.
  • Retired FBI agent Moren O'Connell posits McKee was a 'grievance collector' who blamed his ex-wife for his unhappiness.
  • O'Connell believes McKee likely stalked Monique and potentially rented a car to commit the crime to avoid detection.
  • A neighbor's 911 call about someone banging on doors a week before the murders is likely unrelated, according to O'Connell.

Insights

1Aggravated Murder Charges Signal Premeditation Evidence

Police upgraded Dr. Michael McKee's charges from murder to aggravated murder, which in Ohio indicates premeditation. This suggests investigators possess substantial evidence, not yet public, that points to a planned attack, such as prior surveillance, stalking, or detailed preparation, rather than a spontaneous act.

The host notes the charges were upgraded to aggravated murder, 'which indicates premeditation' (). Retired FBI agent Moren O'Connell speculates this could be due to evidence of stalking, like McKee's license plate being found in the area multiple times or photos on his phone ().

2McKee's Calm Demeanor in Court Suggests Confidence or Detachment

Dr. McKee appeared calm, unemotional, and 'put together' during his extradition hearing, standing tall with shoulders back. This demeanor, observed by the host, could indicate a sense of confidence, detachment, or even euphoria, rather than nervousness or remorse, potentially reflecting a personality that believes in control and high-level performance.

The host described McKee as 'very calm,' 'didn't show any emotion' () and later 'put together' and 'confident,' like 'entering the operating room' (). Moren O'Connell added he was 'standing tall,' 'shoulders back, his head up' ().

3The 'Grievance Collector' Theory for Motivation

Retired FBI agent Moren O'Connell theorizes that McKee is a 'grievance collector,' a person who internalizes and magnifies perceived wrongs, blaming others for their unhappiness. This 'long slow brew' of resentment, rather than a sudden 'snap,' explains how he could commit murder eight years after his divorce, driven by a belief that his ex-wife ruined his life.

O'Connell states, 'I don't think he snapped at all. I think it was a long slow brew and I think he's a grievance collector' (). She adds, 'He blames her for his unhappiness. His life would be perfect... he just ruminates over these things' ().

4Speculation on Entry Method and Weapon Use

Given the victims were found in bed, it's unlikely they opened the door to McKee. The guest speculates McKee either guessed a door code (possibly by observing or trying common numbers like birthdays) or broke in earlier and left an entry point open. The use of multiple rounds, heard by a neighbor, is explained as a common tactic to ensure incapacitation, especially against a potentially fighting victim.

O'Connell suggests McKee 'either guessed the code' or 'surveiled the house long enough to get the code' (). She also explains that 'one round often won't do the trick' in a confrontation, leading to multiple shots ().

Bottom Line

The duration of a grudge, even after years of divorce, is often underestimated, particularly by men, while women who have experienced domestic issues recognize the persistent threat.

So What?

This highlights a significant gender disparity in understanding the long-term psychological impact and potential danger posed by former partners, especially in cases involving controlling behavior or perceived grievances.

Impact

Develop educational programs or resources for law enforcement and support systems to better recognize and address the sustained threat from ex-partners, even years after separation, incorporating insights from victims' experiences.

A history of moving frequently between high-profile medical positions without a criminal record could mask underlying behavioral issues, as hospitals might opt for quiet dismissals rather than formal complaints.

So What?

This suggests that professional success and a clean official record do not preclude a history of problematic or frightening behavior, especially in fields where institutions prioritize reputation over reporting non-criminal misconduct.

Impact

Advocate for more robust, inter-institutional reporting mechanisms for professional misconduct that falls short of criminal charges but indicates a pattern of concerning behavior, particularly in high-trust professions like medicine, to prevent future harm.

Key Concepts

Grievance Collector

Individuals who deeply believe their life has been ruined by another person, stewing over perceived wrongs. This resentment grows in their mind, leading them to blame others for their unhappiness and potentially escalating to violent acts after a long 'slow brew' of anger.

Absence of Normality

A concept where people react in ways that seem unusual or unexplainable in a given situation, but later make perfect sense once more information or context is revealed. For example, co-workers calling police quickly after the murders because they knew of the ex-husband's past behavior.

Notable Moments

The host and guest discuss the significance of the 911 call from a neighbor reporting someone banging on doors around 5 AM, 11 days before the murders.

This call initially seemed like a potential lead for pre-murder surveillance or a dry run by McKee. However, the retired FBI agent dismisses it as likely unrelated, attributing it to a drunk person, which narrows the focus of the investigation away from this specific incident.

Quotes

"

"I don't think he snapped at all. I think it was a long slow brew and I think he's a grievance collector."

Moren O'Connell
"

"Once you convince yourself that your life is valueless, then what's the difference with anyone else? Well, if I am going to take my life, and it may have been his plan... I'm taking those two with me because they're the reason that I'm not worth anything."

Moren O'Connell
"

"I've heard people in in neighborhoods like, 'Hey, what's the garage code again?' 3467. And I Oh my god, I can't take it."

Moren O'Connell

Q&A

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