Dave Halls, the assistant director on the movie “Rust” who handed a prop gun to Alec Baldwin before the fatal shooting last week, had been fired from a previous movie after a crew member was injured when a gun “unexpectedly discharged.” Court documents show the shot that killed Halyna Hutchins was fired as Baldwin was practicing drawing his gun. CNN National Correspondent Gary Tuchman has Larry Zanoff, a motion picture armorer and weapons safety specialist, walk us through the safety precautions that should be in place whenever there’s a weapon on a movie set. Plus, Facebook CEO Mark Zuckerberg responded to the massive Facebook document dump saying “we are seeing a coordinated effort to selectively use leaked documents to paint a false picture of our company.” Scott Galloway is a marketing professor at the NYU Stern School of Business. He tells Anderson Cooper what impact Facebook whistleblower Frances Haugen’s testimony could have on Facebook’s future.

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