Sixth-grader Ahmir Jolliff has been identified as the student killed during a mass shooting at Perry High School in Iowa on Thursday. Authorities on Friday confirmed Jolliff was one of eight victims in the shooting, upping the previously reported number of victims by two. Seven others — among them three staff members and four students — “received wounds or injuries of varying degree,” the Iowa Department of Public Safety said in a statement Friday night. The gunman, identified as 17-year-old Dylan Butler, was also found dead in wake of the deadly violence at Perry High, where he was a student….