Yes we do. His Twitter feed is publically available, and we've all got access to that, as are his taped interviews and public speeches. Everyone who came within 6 feet of the man tape recorded their conversations for self defense when he threw them under the bus, and they've made those tapes public.
There are over 1 million pages of evidence - texts, emails, tweets, memos, from the January 6th Committee, then there's the Grand Jury materials, and witness transcripts.
There is a veritable mountain of evidence against Donald Trump and since he won't shut the fuck up, it continues to pile up.