Student injured in shooting at Arizona high school WILLCOX, Ariz. -- A student was injured by flying glass when a gunman fired a rifle onto the campus of a high school Thursday, police said. Willcox police said in a statement that a man was arrested and a weapon believed to have been used was seized. The suspect was identified as Arthur J. Tineo, 40, of Willcox. Police said he would be charged with three counts of attempted murder along with aggravated assault and weapons charges. Police said they were called about 3:14 p.m. local time when witnesses reported a man was in a field across from the school baseball field shooting on the campus. One 17-year-old youth suffered minor lacerations from flying glass when the vehicle he was riding in was struck by bullets and was take to a hospital for treatment. A second juvenile in the vehicle was unhurt, police said. Police said they did not know a motive for the shooting. School superintendent Richard Rundhaug told The Associated Press that an adult shot at another adult before a high school baseball game but missed. Willcox is in southeastern Arizona, about 70 miles east of Tucson.