For cheating on his wife and paying Stormy hush money.
https://www.nytimes.com/2023/03/09/nyregion/trump-potential-criminal-charges-bragg.html
The prosecutors offered Mr. Trump the chance to testify next week before the grand jury that has been hearing evidence in the potential case, Such offers almost always indicate an indictment is close; it would be unusual for the district attorney, Alvin L. Bragg, to notify a potential defendant without ultimately seeking charges against him.
