In a major development in the case surrounding the deaths of actor-filmmaker Rob Reiner and his wife, Michele Singer Reiner, their son Nick Reiner has been charged with their murder. Los Angeles County prosecutors confirmed that Nick has been charged with two counts of first-degree murder. District Attorney Nathan Hochman announced this at a news conference alongside Los Angeles Police Department Chief Jim McDonnell. Prosecutors have also indicated that they plan to add a special allegation that a dangerous weapon, a knife, was used in the killings.