The shootout happened October 27, moments after a Jewish man was shot and injured while walking to synagogue.
Investigators say as paramedics were treating the victim, the suspect started firing at officers.
Body camera video captured officers unleashing a barrage of gunfire in response, taking down the suspect.
The person shot by police was identified as 22-year-old Sidi Mohammad Abdallahi. He was facing terrorism and hate crime charges for the West Rogers Park shooting that wounded the Orthodox Jewish man who was walking to a synagogue.
Abdallahi later died from an apparent suicide at the Cook County Jail at at Cermak Health Services, the Cook County Sheriff's Office said December 1.
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