Friday, Dec. 11, was a tense day in the Beach Cities as two separate incidents at area high schools raised fears throughout the community.A threat against Mira Costa High School, the second within a week, prompted a school shutdown. Two and a half miles away, Redondo Union High School discovered a threat written in spray paint by the school’s student union. As it was quickly assessed unserious, classes at RUHS were unaffected.But conflation of the events led to panicked, confused paren






