Based on what the article said, he lied to FAA regulators and airlines about the MCAS system, the system which malfunctioned and nose-dived those planes due to faulty inputs.
https://www.newsmax.com/newsfront/boeing-indictment-safety-faa/2021/10/14/id/1040579/
If convicted, he could get 100 years in prison, and it would be in a Texas prison to boot.
