most difficult days in the history of the city. reporter: rudy giuliani now facing legal jeopardy. i not he s going to be in and out of courtrooms, in and out of grand jury. reporter: america s mayor has become a punch line. bad to the bone, bad reporter: using his voice to spread conspiracies and lies about the 2020 election being stolen i know crimes, i can smell them. reporter: as former president donald trump s personal attorney and mouthpiece. i do not think that rudy giuliani understands that there has been a tremendous erosion of his reputation, that he has caused at all. he looks in the mirror, and he sees the hero of 9/11. [ cheers ] let s have trial by combat! reporter: some lawmakers argued his words on january 6th played a part in inciting the violence that followed at the capitol. if the faith is broken, so is