He falsely told steekworkers he's never made $400k even though he made $11 million in 2017.
https://www.cnbc.com/2019/07/09/joe-biden-releases-tax-returns-during-2020-democratic-primary.html
https://www.cnbc.com/2019/07/09/joe-biden-releases-tax-returns-during-2020-democratic-primary.html