Rockville resident Alex (Andrea) Ye was arrested last year following an investigation after the FBI notified Montgomery County Public Schools about a 129-page “manifesto” authored by the teen.
His arrest came after a concerned associate contacted 911, when the two were communicating on Instagram when Ye sent the manifesto, which referenced a potential attack on both a high school and an elementary school, authorities said.
Police say that in the document, Ye wrote about committing a school shooting and strategized about how to best carry out the act…