As the manhunt for the renegade ex-cop accused of killing three people in a revenge plot targeting the Los Angeles Police Department enters its second week, the big question facing authorities is: Where is Christopher Jordan Dorner? The search, considered one of the largest in the history of Southern California, has taken authorities from Orange County to the border of Mexico, from Los Angeles to the Big Bear Lake resort area of the San Bernardino Mountains. Even so, a week after Dorner allegedly began targeting police officers and their families, putting the region on edge, there was no sign of the man on Monday. The city of Los Angeles put up $1 million in reward money Sunday for help catching Dorner, an announcement that followed…