Until now, mobsters had seemed invincible. They couldn’t be prosecuted for murder or other serious crimes because no one was ever brave enough to testify against them. It was almost impossible to connect them to their illicit businesses because they never put their names to contracts or other incriminating documents. Willebrandt, however, was struck by the thought that mobsters were always demonstrably rich and yet never filed an income tax return. She decided to go for them on those grounds.
