Here's the video of Mayor Lightfoot responding to Trump.

Exact quote:
"I will code what I really want to say to Donald Trump. It's two words: It begins with F and it ends with YOU." https://t.co/dnj8KRMWT4 pic.twitter.com/quYv9aobgD

— 😷🏘Derrick Clifton (@DerrickClifton) May 29, 2020