'Nightline' Daily Line, Feb. 7: Ex-LA Cop Sought in Shootings

6:07 p.m. ET: UPDATE: Police officers across Southern California are on the defensive and scaling back their public exposure today, no longer responding to "barking-dog calls" and donning tactical gear outside police stations as former-cop-turned-alleged-gunman Christopher Dorner, armed and apparently on the hunt for cops, remains at large.

Updated story HERE - more to come on "Nightline" tonight

3:27 p.m. ET: Inside Whole Foods' 'Conscious' Business:

Whole Foods has a small army of food experts constantly on the hunt for the best quality items. They are kind of like major league baseball scouts, but instead of driving to random ballparks looking for pitchers, they hit farm fields and farmer's markets in search of the crunchiest green pepper or best Peruvian chocolate cashew milk.

Read more HERE and watch the full story on "Nightline" tonight at 12:35 a.m. ET

1:12 p.m. ET: "Nightline" anchor Bill Weir tweeted:

11:30 a.m. ET: DEVELOPING: Police in Southern California say they suspect that a fired cop is connected to the shootings - one fatal - of three police officers this morning, as well as the weekend slayings of an assistant women's college basketball coach and her fiancé in what cops believe are acts of revenge against the LAPD, as suggested in the suspect's online manifesto.

Read the latest development HERE and watch the full story on "Nightline" TONIGHT at 12:35 a.m. ET

Credit: AP Photo

10:02 p.m. ET: SNOWPOCALYSE AGAIN? People in the Northeast are bracing for what could be a historic storm this weekend, bringing up to 2 feet of snow to the region.

Watch the latest development HERE: