Four teenagers were arrested Friday after police uncovered a plot to shoot and kill students and teachers at a Tuolumne, California, high school, officials said. BREAKING: Tuolumne County deputies arrest 4 students in school shooting plot. http://t.co/hr4ydbWg18 pic.twitter.com/otgUszTi71 — The Modesto Bee (@modbee) October 3, 2015 Tuolumne County Sheriff James Mele did not name the four male Summerville High School students, and they have not been charged.