The shooting happened Thursday just before 7:20 a.m. in the 1400-block of West Thome Avenue near Northside Catholic Academy, CPD said.
Two men were outside when they were shot, Chicago police said.
Nicholas Calzaretta, 37, was shot and later died at the hospital.
Ammar Houssamo, 53, was charged with first degree murder and two other gun-related charges.
The 53-year-old was also shot on Thursday. Police said he was taken to St. Francis Hospital in critical condition.
Court documents revealed that Calzaretta was married to the suspect's ex-husband.
In September 2023, Calzaretta filed an order of protection against Houssamo. The order was terminated in April 2024.
Houssamo is due in court on Tuesday. He was denied a pretrial release.
The video in the player above is from a previous report.