DAVENPORT, Iowa (AP) — Police have been seeking the mother of a 5-year-old Davenport boy who died after he was assaulted by her boyfriend. Murder warrants have been issued for 24-year-old Jacqueline Rambert and 26-year-old Tre Henderson. Police say Ja’Shawn Bussell died May 1, 10 days after he received head and other injuries in Henderson’s attack.