Karen Zincke, 84, and her son David Zincke, 57, were found dead inside his apartment in the 1000 block of North Sterling Avenue in Palatine on the night of Friday, October 24, 2025. Police were called about 9:26 p.m. for an ambulance assist and discovered both deceased. Authorities reported apparent gunshot wounds to each and recovered a firearm at the scene. The Cook County Medical Examiner’s Office was assigned to determine cause and manner of death, with toxicology pending.

Palatine police described the case as an active investigation but released few details about what occurred inside the apartment. Officials said there was no indication of an ongoing threat to the public and had not identified or sought any suspects; no arrests or charges had been announced. Community memorial listings named Karen and noted David also died in the incident.

Does anyone have information about the Zinckes, their residence, or events on October 24 that could help investigators?