Mark Cuban says he once supported Trump. Then he got to know him: 'He was unethical then, and he's still unethical.'

"I actually started off supporting Donald and then I got to know him better," Mark Cuban said of former President Donald Trump in an interview with Vivek Ramaswamy on Wednesday.

Kamil Krzaczynski/AFP via Getty Images; Megan Briggs via Getty Images

• Mark Cuban has endorsed Kamala Harris, but he says he wasn't always against Donald Trump.
• The "Shark Tank" star said he was once a Trump supporter until he realized how unethical Trump was.
• Cuban ripped Trump's errant record...