Trinity Shockley, an 18-year-old from Mooresville High School, faces charges of conspiracy to commit murder and terrorism.

Trinity Shockley, 18, is facing charges of conspiracy to commit murder and intimidation with the threat to commit terrorism.

A call to an anonymous tip line created after the 2012 shooting at Sandy Hook Elementary School in Newtown, Connecticut, set off a chain of events that helped thwart a potential Valentine’s Day mass ...