In a joint letter to Senators Charles Grassley (R-IA) and Patrick Leahy (D-VT), DoJ Assistant Attorney General Ronald Weich and Assistant HHS Secretary Jim Esquea detailed the scope of False Claims Act cases under seal. There are currently 1,341 qui tam cases under investigation. Of these cases, 885 involve health care fraud. A total of 180 qui tam cases are under seal that allege pharmaceutical pricing or marketing violations. An additional 80 cases involve hospital fraud. The letter is below.