Both suspects were taken into custody. Scott County Sheriff's Office said 27-year-old Brett Samuel Dennis faces several charges including attempt to commit murder.
Davenport Chief of Police Paul Sikorski said on
Facebook
, "There was an amazing response from both on-duty and off-duty officers and local emergency responders. I would like to personally thank all of the emergency personnel, medical staff, dispatchers, and community members who responded in our time of need. I ask for your continued prayers and support for our officer and family, and for everyone who puts on a badge each and every day."