Gunman took a dozen hostages in a suburban Chicago bank Friday . Police : When the officer arrived , the suspect grabbed the officer from behind , held a knife to his throat and demanded his gun , The gunman was shot and killed by police after he opened fire at the Bank of America branch on West Maple Street around 11:30 a.m. Friday. Suspect was found with a bullet wound to his head , officials said .
Gunman took a dozen hostages in a suburban Chicago bank Friday . Police : The gunman was shot and killed by police after he opened fire at the Bank of America branch on West Maple Street around 11:30 a.m. Friday. Suspect was found with a bullet wound to his head , officials said .