CHARLES CITY, Iowa—An 18-year-old Boone youth has been accused of causing injuries to a 2-month old baby in northern Iowa. Nathan Douglas Jacobson has been charged with felony child endangerment causing serious injury after a baby he was caring for in mid-October suffered multiple injuries including bruises to the head and face and other evidence of trauma. Jacobson was in custody in the Floyd County Jail earlier this week. An arraignment has been scheduled for next Tuesday. Jacobson was taken into custody by Boone Police on a warrant from Floyd County on December 16th.