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A sheriff's deputy waits for his partners as they prepare to leave the command post at Bear Mountain Resort at start of day four in the search for fugitive ex-cop Christopher Dorner in Big Bear on Sunday, Feb. 10, 2013. (Rachel Luna / Staff Photographer)

Sheriff's deputies complete their shift and return to the command post at Bear Mountain Resort at start of day four in the search for fugitive ex-cop Christopher Dorner in Big Bear on Sunday, Feb. 10, 2013. (Rachel Luna / Staff Photographer)

A sheriff's deputies pack up and prepare to leave the command post at Bear Mountain Resort at start of day four in the search for fugitive ex-cop Christopher Dorner in Big Bear on Sunday, Feb. 10, 2013. (Rachel Luna / Staff Photographer)

A sheriff'sdeputy leaves the command post at Bear Mountain Resort at start of day four in the search for fugitive ex-cop Christopher Dorner in Big Bear on Sunday, Feb. 10, 2013. (Rachel Luna / Staff Photographer)

A patrol vehicle returns to the command post near Bear Mountain Resort at the start of day four in the search for fugitive ex-cop Christopher Dorner in Big Bear on Sunday, Feb. 10, 2013. (Rachel Luna / Staff Photographer)

A view of Big Bear Sheriff's Station during day four of the search for fugitive ex-cop Christopher Dorner continues in Big Bear on Sunday, Feb. 10, 2013. (Rachel Luna / Staff Photographer)

A sign placed on front door at the Big Bear Sheriff's Station directs authorities to check in at the command post near Bear Mountain Resort