Nick Reiner's Christmas party incident and search for the Brown shooter: Morning Rundown

Latest on the investigation into the deaths of Rob and Michele Singer Reiner.

Latest on the investigation into the deaths of Rob and Michele Singer Reiner. New images released of the suspected gunman in the Brown University shooting. And, a delayed jobs reports will finally lift the fog on the fragile U.S. labor market.

Here's what to know today.

Police: Rob Reiner's son 'responsible' for murder of his parents02:58Nick Reiner, the son of actor and filmmaker Rob Reiner and Michele Singer Reiner, was arrested and booked on suspicion of murdering his parents after they were found dead in their home.

Los Angeles Police Chief Jim McDonnell said police had taken Nick Reiner into custody. In a later update, police said he was being held without bail. A source close to the family told NBC News that the victims appeared to have suffered stab wounds.

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