David Zincke, 57, and his mother Karen Zincke, 84, were found dead inside an apartment in the 1000 block of North Sterling Avenue in Palatine on the night of October 24, 2025. Officers arrived after a 9:26 p.m. call for an ambulance assist and discovered both victims; early indications and later confirmation were that each had sustained gunshot wounds and a firearm was recovered inside the unit.

The Cook County Medical Examiner’s Office was awaiting toxicology before finalizing cause and manner of death, and investigators were processing the scene and interviewing potential witnesses. In the days after the discovery no arrests had been announced and no suspect or suspects were publicly identified, and officials said there was no indication of an ongoing danger to the public.

Does anyone have information about the building on North Sterling Avenue, the occupants, or sightings in the area on the night of October 24 that could help investigators?