Doug Band, the former top aid to Bill Clinton who helped found the Clinton Global Initiative, accused Chelsea Clinton of illegal activities by using foundation money to pay for her wedding and getting paid to campaign, all while avoiding paying taxes.

After Chelsea had launched an investigation into the foundation’s finances under Band’s control, an angry Doug Band email Hillary Clinton’s campaign chairman John Podesta to complain. Band called Chelsea’s actions, “not smart.”

Podesta replied, “You are perfecting your skills for understatement.”

New emails released by Wikileaks show Band, still irate, replied with his own allegations of Chelsea Clinton’s corruption.

“I learned from the best,” Band wrote. “The investigation into her getting paid for campaigning, using foundation resources for her wedding and life for a decade, taxes on money from her parents….”

Ominously, Band ended his email with, “I hope that you will speak to her and end this. Once we go down this road….”