Accused of ambushing two officers in the des moines area in separate shootings has a history of mental illness. The suspect surrendered this morning. Investigators are trying to determine a motive. Police say they got the first call about 1 a. M. One officer was found dead in the front seat of his car. The second call about 20 minutes later 2 miles away, another officer was found to have been shot in the front seat of his patrol car. These were our friends. They are our coworkers. We discussed at length at times the family of law enforcement, were a very tight night community. Des moines is not a big city. We all know each other. So i mean were heartbroken. I dont know how else to put it, really no words in times like this. The officers who died have been identified as Justin Martin and Sergeant Anthony since 2005. He was married and had children. Relief and rejoicing, all is right in the hills. The same system that brought a little rain to parts of the metro area this morning brought