On January 18, 2020, NMC Health announced that it has hired a former FBI director to carry out an investigation into allegations of financial wrongdoing. The Company stated that Louis Freeh, a former federal judge and FBI director, and his firm Freeh Group, will conduct the inquiry after short-seller Muddy Waters issued its attack on the Company, accusing it of understating debt levels by abut $320m (£242m). The Company stated that it would review the allegations made by Muddy Waters and publish the results ahead of its full-year accounts in March.