He was a guy who cleaned up New York in the late 1980s.
Then Giuliani stood tall post 9/11, being a NYC leader…
Then he started a security advisory firm, with NYPD Commissioner Kerik, getting quite rich. Then Kerik went to jail, and Giuliani went to work for Trump. Trump then pardons Kerik in February 2020.
Now Kerik is standing behind Giuliani (the only one without a face mask) at a Warehouse next to a Crematorium an adult bookstore.
Only a professional comedian could probably explain it so: