On January 25, the Dominion Voting Systems company sued Rudolph Giuliani for defamation. U.S. Dominion, Inc., v Giuliani, District of Columbia U.S. District Court, 1:21cv-213. Here is the 107-page Complaint. There are also 227 exhibits.
Even if you normally don’t read legal documents, consider reading this one. There are lots of pictures of Giuliani on various television interviews.