Elon Musk looks on as he speaks during his visit at the Vivatech technology startups and innovation fair at the Porte de Versailles exhibition center in Paris, on June 16, 2023.
Elon Musk's behavior sparked concerns among staff in the wake of the takeover.
  • Staff at X, formerly Twitter, considered calling the police over fears Elon Musk might harm himself.
  • Ben Mezrich, author of the book "Breaking Twitter," made the remarks to CNBC's Squawk Box.
  • Mezrich said that Musk's acquisition of X had a serious impact on the billionaire's reputation.

Staff at X, formerly Twitter, once considered calling the San Francisco police after an upset Elon Musk locked himself in his office, author Ben Mezrich said.