Two South Pasadena teens accused of planning a mass shooting at their high school faced two new charges Monday.
Greg Risling, a spokesman with the Los Angeles County district attorney’s office, said prosecutors amended their complaint against the pair to include one count of conspiracy to commit murder and one count of conspiracy to commit assault with a deadly weapon.
The 16- and 17-year-old boys pleaded not guilty in August to one count of making criminal threats against another teen. The names of the accused have not been released because of their age.
Shortly after their arrest, South Pasadena Police Chief Art Miller said the two teens had developed a...