A 13-year-old Southern California boy has confessed to three different swattings, one in which he threatened to blow up a house with hostages in a suburban neighborhood, police said Friday. "The Camarillo incident there were 20-plus officers there. I was at that call. We basically surrounded the house. The caller reported there were 10 hostages in the house and demanded $30,000 in cash or he would blow up the house," Det.