Facebook CEO Mark Zuckerberg's personal security chief Liam Booth has been accused of sexual harassment and racism. The attorney representing the two former staffers making the allegations is now calling for an independent investigation into the claims. Zuckerberg's family office has said its own law firm, Munger, Tolles & Olson, is investigating. High-profile civil rights attorney Lisa Bloom has is "[urging] the family to retain a truly neutral, independent investigator experienced in harassment and discrimination." Visit BusinessInsider.com for more stories.