Two 15-year-old girls were arrested for plotting a revenge mass shooting at Corona High School in Riverside County, CaliforniaCrimeOct 22 at 8:32 AM – Oct 22 at 4:46 PM3 outletsUnited StatesLos Angeles TimesTeen girls listed teacher and student targets for planned Riverside County school shooting, officials say Oct 22 at 4:46 PMNewsweekGirls allegedly listed "revenge" targets in mass school shooting plot seen Oct 22 at 11:16 AMThe OregonianTeen girls arrested in California school shooting plot Oct 22 at 8:32 AM