Update 11/2/16 3:15pmPolice say a man suspected in the killings to two Des Moines area officers surrendered to a state Department of Natural Resources officer.Des Moines police Sgt. Paul Parizek says Scott Michael Greene flagged down the officer Wednesday morning in rural Dallas County, west of Des Moines, and presented his identification.He was taken into custody and is now being treated at a Des Moines hospital.Greene is suspected in the shooting deaths of Urbandale officer Justin Martin, with the force since 2015, and Sgt. Anthony “Tony” Beminio, who joined the department in Des Moines in 2005.Martin was single. Beminio was married with children.———————————————————Police in Des Moines are searching for a suspect they say shot and killed two officers in ambush-style attacks early Wednesday.Sgt. Paul Parizek of the Des Moines Police Department says officers responded to a report of shots fired at 70th and Aurora:Audio Playerhttp://kscj.com/wp-content/uploads/2016/11/DM3.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume.OC……..shot and killed. :16About 20 minutes later, a Des Moines officer was found shot at Merle Hay Road and Sheridan.Audio Playerhttp://kscj.com/wp-content/uploads/2016/11/DM.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume.OC……..and found him. ;15The suspect has been identified as 46-year-old Scott Michael Greene, of Urbandale.He is described as a white male, 5 feet 11 inches tall, 180 pounds with brown hair and green eyes.He was last known to be driving a blue 2011 Ford F-150 pickup truck with Iowa license plates 780 YFR and equipped with a ladder rack.The names of the slain officers have not yet been released.