Brian McKay must serve at least 50 years before parole consideration for the 2024 killing of Monica McKay.

TOPEKA, Kan. — A Kansas man convicted of murdering his estranged wife after prosecutors said weeks of stalking, surveillance and escalating conduct preceded her death has been sentenced to life in prison, with no possibility of parole consideration until he has served at least 50 years.

Brian P. McKay was sentenced July 20 in Shawnee County District Court for the November 2024 killing of Monica McKay, 50, at a home the couple co-owned near Topeka. A jury had convicted him May 14 of premeditated first-degree murder as well as first-degree felony murder, aggravated burglary, stalking and violating a protection-from-stalking order. The sentences on the remaining counts were ordered to run concurrently with the murder sentence.

The punishment closed the trial-court phase of a case that prosecutors described as the culmination of a deteriorating marriage, a pending divorce and increasingly intrusive conduct by McKay toward his estranged wife. Shawnee County District Attorney Mike Kagay said after sentencing that the evidence showed the killing was “not a crime of impulse,” but followed weeks of stalking, planning and escalation. The sentence guarantees that McKay will spend decades in prison before he can even be considered for parole.

The conflict between the couple had entered the courts before Monica McKay’s death. She obtained a protection-from-stalking order in October 2024, and court records show McKay was served with it on Oct. 17. Monica McKay filed for divorce shortly afterward. Prosecutors later argued that the financial and emotional consequences of the separation and divorce were important parts of McKay’s motive, while the stalking charge documented conduct that had already drawn judicial intervention before the homicide.

Investigators also developed evidence that Monica McKay had been subjected to electronic monitoring. According to an arrest affidavit cited during reporting on the case, one of her adult sons had discovered devices in the home that the family believed were being used to monitor her. The equipment was described to authorities as including covert cameras and microphones and possibly an Amazon Echo device. Investigators also said McKay placed a GPS tracker on a vehicle Monica McKay used, allowing movements between her home, workplace and other routine destinations to be followed.

The surveillance evidence became one of the clearest links between the stalking case and the later murder prosecution. Authorities did not portray the tracking as an isolated incident. Instead, prosecutors presented it as part of a pattern in which McKay remained focused on Monica McKay’s movements after the couple separated. The protection order prohibited conduct that had already caused concern, yet the jury ultimately found him guilty not only of violating that order but also of stalking her during the period leading up to her death.

Monica McKay was found dead around Thanksgiving 2024 at the couple’s property in the 2300 block of Southeast Tecumseh Road in Shawnee County. An autopsy determined that she died from drowning with strangulation and multiple blunt-force injuries as contributing factors. At trial, prosecutors presented evidence that she had been assaulted, moved into the home and drowned in a bathtub. Reporting from the proceedings said evidence also indicated efforts had been made to clean portions of the scene afterward.

Digital records became another major part of the investigation. A detective’s affidavit said investigators obtained information associated with a Google account belonging to McKay and found searches involving defeating passwords and manipulating locks. Authorities also examined location information from his phone. Although phone data appeared to place the device at McKay’s home during the period investigators were examining, police developed a theory that he left the phone there and traveled to Monica McKay’s residence by another means. That theory became part of the circumstantial case presented against him.

The prosecution and defense disputed how the timeline should be interpreted. Defense arguments focused in part on whether the available window was long enough for McKay to have committed the killing and carried out the other acts attributed to the attacker. Prosecutors challenged that timeline, arguing that activity involving Monica McKay’s cellphone and Ring doorbell application supported an earlier beginning to the relevant period. The jury deliberated for several hours before returning guilty verdicts on every count.

The verdict resolved competing trial theories but also carried a broader legal significance for the case. Jurors found McKay guilty of both premeditated first-degree murder and first-degree murder committed during an inherently dangerous felony, two theories arising from the same death. They also convicted him of aggravated burglary, stalking and violation of the protection order. Following the verdict, the judge granted prosecutors’ request to revoke McKay’s bond, and he remained in custody awaiting sentencing.

Monica McKay had worked in health care administration in Topeka. At the time charges were filed, she was identified as the director of physician clinics at the University of Kansas Health System’s St. Francis campus, where she had previously served as director of primary care. The homicide therefore affected not only her relatives and friends but also a professional community in which she had held leadership responsibilities for years.

More than 60 people attended the courtroom proceedings when the verdict was announced, according to reporting from the Topeka Capital-Journal. Friends and relatives expressed relief after jurors convicted McKay. District Attorney Kagay said at the time that no verdict could undo the family’s loss but that the decision imposed accountability under Kansas law. At the later sentencing hearing, family members again appeared in court and delivered statements as the judge determined McKay’s punishment.

The case developed over several months rather than producing an immediate arrest. Monica McKay was found dead in late November 2024, and investigators later classified the death as a homicide. McKay was arrested Feb. 11, 2025. The district attorney formally announced charges 10 days later after reviewing the Shawnee County Sheriff’s Office investigation. He was initially held on a $1 million bond while the prosecution moved toward trial.

The final sentence substantially fixes McKay’s future under the trial court’s judgment. He received life imprisonment with a mandatory minimum of 50 years before parole consideration on the murder conviction, while the other prison terms run at the same time. The punishment reflects the jury’s finding of premeditation along with its separate findings that McKay stalked Monica McKay, unlawfully entered the property and violated the court order that had been issued to protect her.

With sentencing complete, the central facts established by the jury now stand as convictions rather than allegations: McKay murdered Monica McKay, committed aggravated burglary, stalked her and violated a protection-from-stalking order. Any further challenge to those findings would proceed through the appellate process rather than another trial in Shawnee County District Court.

Author note: Last updated August 24, 2026.