The case began with a marital argument, escalated into violence, and ended with a second-degree murder charge two days later, say police.

RUSSELL, N.Y. — A 40-year-old Hermon man is charged with second-degree murder after New York State Police said he strangled his 63-year-old father during a fight inside a home on Pyrites-Russell Road on Feb. 25.

Authorities say the death grew out of a domestic dispute that had already turned physical before troopers arrived. Philip A. Knickerbocker was found dead on a couch that night, and his son, Hans Knickerbocker, was first jailed on a lesser felony before an autopsy and additional evidence led to a murder charge. The case has drawn attention because investigators say the deadly struggle began during an argument between Philip Knickerbocker and his wife inside the family home.

According to police and court records described in local news reports, the confrontation unfolded in stages over the course of the evening. Troopers were called to the residence at about 7:49 p.m. on Feb. 25 after a report of a deceased man inside the house. By the time officers entered, Philip Knickerbocker was on a couch and no longer breathing. Investigators later said a dispute had taken place earlier in the home. Court papers cited by local outlets say Philip had been arguing with his wife about their marriage in the living room. During that dispute, he allegedly dumped coffee on her head and then tried to punch her. Hans Knickerbocker, who was in a bedroom, heard the disturbance and came out to confront his father.

That intervention, investigators say, quickly turned deadly. State police said the verbal clash between father and son escalated into a physical altercation. Court documents described by local media say Hans allegedly hit Philip with his fists, used both hands to choke him and then pressed his body weight onto him while his elbow was on Philip’s neck. The state police public release summarized the allegation more briefly, saying Hans struck his father in the head and strangled him. Authorities have not publicly described how long the fight lasted, whether anyone else tried to separate the men or who placed the call that brought troopers to the house. Police also have not said whether the wife in the earlier argument is Hans Knickerbocker’s mother, a point that remained unclear in follow-up coverage.

The known record after that was built largely through forensic work and interviews. State police said all parties involved were interviewed, multiple search warrants were executed and the Forensic Investigation Unit processed the scene. An autopsy was completed at Glens Falls Hospital at about 9 a.m. on Feb. 27 by forensic pathologist Dr. Michael Sikirica. The examination identified the dead man as Philip A. Knickerbocker, 63, of Hermon, and found that he died of asphyxia due to strangulation. The manner of death was ruled homicide. That ruling turned what had first been treated as a serious assault case into a homicide prosecution. Until then, the public account from police had centered on a dead man in a rural home and signs of foul play discovered as investigators worked backward through the family’s statements and the physical evidence at the scene.

The criminal case also shifted quickly. Hans Knickerbocker was detained on Feb. 25 and taken to State Police in Canton for questioning. That same day, he was charged with criminal obstruction of breathing or blood circulation and arraigned in Hermon Town Court. Police said he was then remanded to the St. Lawrence County Correctional Facility in lieu of $5,000 cash bail, $10,000 bond or $20,000 secured bond. Two days later, after the autopsy and what police called additional evidence, prosecutors upgraded the case. Hans Knickerbocker was charged with second-degree murder, arraigned in the Town of Canton Court on Feb. 27 and remanded to the St. Lawrence County Jail without bail. State police have said the investigation remains active, and as of the latest public reports, no next court date had been broadly published.

The setting added to the shock around the case. Russell and nearby Hermon sit in St. Lawrence County in northern New York, a region of small towns where homicides are rare enough to draw wide local attention. News photographs from outside the home showed a modest rural property as reporters traced the case from police releases to court filings. The public narrative has remained narrow and document-driven, with officials releasing only the basic timeline, the charge history and the autopsy finding. Even so, the details that have emerged paint a tightly compressed sequence: a marital argument, an alleged assault on a wife, a son stepping in, and a fatal struggle that left one family member dead and another in jail. By late March, the central facts of the case were more settled than the unanswered personal details around the people involved.

As of now, Hans Knickerbocker remains jailed without bail on the murder charge, and state police say the investigation is ongoing. The next public milestone is likely a court appearance or additional filing in St. Lawrence County.

Author note: Last updated March 30, 2026.