Rockville high school student charged with threat of mass violence

WBAL-TV— A phone call to Baltimore police led to the arrest of an 18-year-old Montgomery County high school student.

WTOP—Montgomery Co. student charged with threats of mass violence after police discover disturbing ‘manifesto’. An 18-year-old high school student in Montgomery County, Maryland, has been charged with making threats of mass violence after authorities said he wrote a 129-page document describing a desire to carry out mass shootings at a high school or an elementary school in the county.

CBS News—Severna Park High School, Middle School, on lockdown due to threat of possible violence. BALTIMORE -- Severna Park High School and Severna Park Middle School were placed under lockdown Tuesday morning due to a "threat of possible violence," Anne Arundel County Police said.Police say everyone inside the schools are safe. There is no evidence of weapons inside the school or on school property, according to police.A heavy police presence is in the area as officers investigate the reported threat.WJZ will provide more updates to this story as they become available.

Afro—Rockville teen charged with threatening mass violence. Alex Ye, 18, of Rockville, Md., was charged with threatening mass violence after state, county and federal officials uncovered multiple social media posts and a 129-page "manifesto" describing his desire to shoot up both a local elementary and high school.