People v. Heintz

2026 IL 131340

IN THE SUPREME COURT OF THE STATE OF ILLINOIS (Docket No. 131340) THE PEOPLE OF THE STATE OF ILLINOIS, Appellant, v. WILLIAM P. HEINTZ, Appellee. Opinion filed January 28, 2026. JUSTICE THEIS delivered the judgment of the court, with opinion. Justices Overstreet, Holder White, and Rochford concurred in the judgment and opinion. Justice O’Brien specially concurred, with opinion, joined by Chief Justice Neville and Justice Cunningham. OPINION ¶1 At issue in this appeal is whether evidence of Brianne Szalaj’s alleged violent conduct that postdated the charged offenses against…