“Thousands of pages of newly unsealed records reveal a widespread scheme — a highly unorthodox merger of an undercover law enforcement operation and a legitimate business. What began as a way to catch black-market cigarette dealers quickly transformed into a nearly untraceable A.T.F. slush fund that agents from around the country could tap.”
Read more: https://www.nytimes.com/2017/09/08/us/atf-tobacco-cigarettes.html