By Laura Saunders

The Internal Revenue Service is getting better at finding secret stashes of overseas cash and tax evaders are receiving harsher penalties than ever, including prison.

True tax evaders have for years intentionally hidden money offshore from Uncle Sam, often in multiple layers of entities such as trusts and foundations. Since a crackdown began in 2009, more than 55,800 people have paid more than $9.9 billion to come clean on such accounts. Others haven't stepped forward, hoping to escape notice.

Now, the dragnet is tightening further. Click here to read the rest of the article.