David Hanik, 61, was one of the victims killed during a home attack in Arlington Heights, Illinois, on October 12, 2019. Hanik and his partner, 65-year-old Iskra Pourel Popova, were shot when 66-year-old Krysztof Marek entered their residence and opened fire with a .40-caliber handgun. Two other people at the dinner table were also shot and killed; the incident was part of a wider spree that left five people dead.

He was arrested and charged with multiple counts of first-degree murder; court filings and testimony discussed his mental state and the premeditated nature of the attack.

If anyone knew David Hanik or has information about that night, please share what you can.