Ninja Michael Mason pretends to fire a Gatling gun outside Comic-Con International 2011 in San Diego Friday, July 22, 2011. The annual comic book and popular arts convention attracts over 100,000 people and runs through Sunday. (AP Photo/Denis Poroy)
March 28, 2012 12:42:43 AM PDT
WEST COVINA, California --
West Covina police say two people in ninja costumes robbed a medical marijuana delivery man but it's not clear how much money or marijuana was taken.