Demetrius Allen Homicide Demetrius Jerome Gregory Allen Jr. 18 YOA 3600 Brady St. Davenport, Iowa Scott County March 5, 2017   UPDATE — Two more men charged in 2017 murder of Demetrius Allen in Davenport Oct. 20, 2020 — First-degree murder charges have been leveled against two more men for their alleged roles in the […]