Lansing Police Classify Denis Dunnebacke’s Death as Indeterminate
Lansing Police have released new information regarding the death of Denis Dunnebacke along the River Trail, classifying his manner of death as "indeterminate" and investigating potential links to other suspicious deaths in the area.

Lansing, MI, October 14, 2026 —
Lansing Police have released new information about the death of Denis Dunnebacke along the River Trail, classifying the manner of death as “indeterminate.” Police are also investigating potential links between Dunnebacke’s death and other suspicious deaths in the area.
The information provided does not specify when Dunnebacke died, where along the River Trail he was found, or when police announced the classification. It also does not identify the other deaths under review or explain what circumstances prompted investigators to examine possible connections.
Police have not been described as determining that Dunnebacke’s death was connected to any other case. The available information says only that potential links are being investigated. No further details about the investigation, evidence, or findings were provided.
The description of the manner of death as “indeterminate” is the central new detail released by police. The information provided does not explain the basis for that classification or indicate whether it could change as the investigation proceeds. It also does not state whether authorities have identified a cause of death.
The department’s release, as summarized, includes no information about a suspect, an arrest, or any charges. The name of the agency official who provided the update and the date of the release were not provided. Further details about the cases being examined, the status of the investigation, and any subsequent police statements are not available in the information supplied.
Story summarized from the original created by Mike Ellis on lansingcitypulse.com, see more information here.
Media gallery
