On October 19, 2016, Mueller began an external review of "security, personnel, and management processes and practices" at government contractor Booz Allen Hamilton after an employee was indicted for massive data theft from the National Security Agency.[56] On April 6, 2017, he was appointed as Special Master for disbursement of $850 million and $125 million for automakers and consumers, respectively, affected by rupture-prone Takata airbags.[57]