(CNN)Two people were killed when a gunman opened fire Monday at an Idaho mall, according to Boise Police Chief Ryan Lee. Four other people, including a Boise police officer, were injured, Lee said at a media briefing. The suspect was also wounded and is in critical condition, police said later in a news release. The officer was treated and released, officials said. Officers responded to reports of shots fired around 1:50 p.m. "with reports that at least one person was shot and down," Lee said. Shortly after responding, officers found a person matching the suspect's description and there was an...