Almost a decade after the abduction, molestation and slaying of 10-year-old Anthony Martinez, Riverside County prosecutors Thursday filed murder charges against the Beaumont boy's suspected killer. Story continues below Anthony Martinez was killed in 1997. Prosecutors will seek the death penalty against Joseph E. Duncan III and try to immediately extradite him from Idaho, where in October he pleaded guilty to murdering three people, District Attorney Rod Pacheco said at a news conference outside the county courthouse in Indio. Yet Pacheco acknowledged that it could be years before Duncan, 43, is tried for Martinez's death, because federal prosecutors are preparing...