The link speaks for itself. http://www.jill2016.com/FEC

Highlights

"An election illegally rigged against the 99%"
"Jill Stein filed a legal complaint before the Federal Election Commission against Hillary Clinton and Donald Trump’s presidential campaigns for having illegally coordinated with SuperPACs in violation of campaign finance laws."
"The Green Party has long advocated for a Constitutional Amendment to overturn the Citizens United decision, affirming that money is not speech, corporations are not people, and rights belong to living people, not corporations or other legal entities created to concentrate wealth and power in the hands of a few."

So Jill Stein is Suing the FEC for permitting Republican&Democrat Collusion with their SuperPACs