What are the Panama Papers? A guide to history's biggest data leak (theguardian.com)
"The Panama Papers are an unprecedented leak of 11.5m files from the database of the world's fourth biggest offshore law firm, Mossack Fonseca."
Offshore Shell Games 2015 (ctj.org)
"The Use of Offshore Tax Havens by Fortune 500 Companies"
Panama Papers: Mossack Fonseca 'helped firms subject to sanctions' (bbc.com)
"The Panama legal firm at the heart of a massive data leak kept clients who were subject to international sanctions, documents show."
World Leaders Hid Wealth Via Shell Companies, Report Alleges (bloomberg.com)
"Leaked files from a Panama law firm that creates shell companies show that politicians, criminals and celebrities worldwide have used banks and shadow companies to hide their finances, according to a series of reports by the International Consortium of Investigative Journalists."