A marquee of the Arango Orillac Building lists the Mossack Fonseca law firm, in Panama City, Monday, April 4, 2016. Panama's president says his government will cooperate "vigorously" with any judicial investigation arising from the leak of a vast trove of information on the offshore financial dealings of the world's rich and famous. An international coalition of media outlets Sunday published investigations it said stemmed from the leak of 115 million records kept by the Panama-based law firm Mossack Fonseca on behalf of clients. (AP Photo/Arnulfo Franco)

5 Key Points About The Panama Papers, 4 About Tax Havens

One of the most shocking revelations is that U.S. protected multinationals and many of their allies around the world have US$32 trillion in tax havens.