TODAY   |  February 09, 2013

New images and false I.D.s in LAPD manhunt

A region is on edge as Christopher Dorner, a former LAPD officer and Navy reservist, continues to elude authorities after allegedly killing three victims, including one police officer. NBC’s Miguel Almaguer reports.

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>>> want to turn to another big story this morning. that massive manhunt for a former police officer who is now an accused cop killer . christopher dorner remains at large. and police are concerned he could kill again. we have more live from lapd headquarters for us this morning. good morning.

>> reporter: good morning. lapd headquarters has always been a target. so today it remains a fortress, still heavily guarded. this as the search for the suspect winds down in one area but continues all across the state. overnight, police officers slowly pull out of big bear after completing a door-to-door search of some 600 cabins.

>> police.

>> reporter: for two days, at times in blizzard-like conditions, heavily armed tactical teams scoured the mountain hunting a man who used to be one of their own. but today, still no sign of murder suspect christoper dorner.

>> the level of -- christopher dorner.

>> the level of frustration is that it's taking longer for them to do what they do best. that's their only frustration. it's the snow is really slowing them down.

>> reporter: as police circulate new surveillance pictures of dorner taken just days before the killing began, officers near los angeles served a search warrant at his mother's home. teams bagged evidence but made no arrests.

>> at this point, we're looking for any evidence that would lead to whereabouts.

>> officer shot multiple times.

>> reporter: the former lapd officer is accused of murdering three. among the victims, a 34-year-old riverside police officer who can't be named because police fear dorner will go after his loved ones.

>> this individual has a history of targeting families. so who knows. we don't want to risk that he may target the family of an officer he killed or wounded.

>> reporter: in a chilling manifesto, dorner posted on line, named officers and families he's targeted for revenge for being fired. dr. larry barton believes dorner is a psychopath.

>> he could be mad at god, mad at life, mad at your employer. when you name specific people, that's when we get concerned.

>> reporter: with police on a third day of tactical alert, there have been many false sightings. a two-hour traffic jam as officers search for dorner. in san diego and las vegas , cases of mistaken identity.

>> i'm fearful. i don't even want to be here now.

>> reporter: a region on edge as police say a cop killer may strike again. this morning, the lapd confirms six of their officers are on paid administrative leave after opening fire on a vehicle they thought was dorner. instead inside, two people delivering newspapers, a 71-year-old woman and her daughter were shot multiple times. they are in the hospital recovering from their injuries. and this morning, erica, they have an attorney.