Two 15-year-old girls in Riverside County have been arrested on suspicion of plotting a school shooting at Corona High School after investigators uncovered months of online discussions about carrying out an attack, authorities announced Tuesday. The investigation began Oct. 6 when the FBI alerted the Corona Police Department to social media communications suggesting a possible […]Two 15-year-old girls in Riverside County have been arrested on suspicion of plotting a school shooting at Corona High School after investigators uncovered months of online discussions about carrying out an attack, authorities announced Tuesday. The investigation began Oct. 6 when the FBI alerted the Corona Police Department to social media communications suggesting a possible […]