Ruiz was in a school hallway when the gunman, Clem “Clemmie” Henderson, 40, burst in and shot her in the chest, according to the Tribune. He then shot Jaglowski, 38, in both legs. Jaglowski returned fire, killing Henderson. Ruiz, one of the first female Chicago police officers killed in the line of duty, was one of four people Henderson killed that day. Earlier, he went to a nearby auto parts store and killed the owner and an employee there. He also killed the school’s custodian, and wounded a city garbage collector.