[symple_googlemap title=”Sylmar stabbing” location=”Glenoaks Boulevard near Hubbard Street, Sylmar, CA” height=”300″ zoom=”16″] A transient accused in the stabbing death of a security guard at a Sylmar shopping center was charged with murder. Santiago Madrigal, 24, pleaded not guilty Tuesday to the charge, which includes an allegation that he used a knife during the commission of […]