ProgMatinee
circlesendwheretheybegin
Deckard, he never said he was the Joker. That was just another thing that was thrown out there in the beginning.
Skim to 1:55
https://www.youtube.com/watch?v=6AsFec9FzPk
How do you know to believe the second comment rather than the first? The backtracking on "I am the Joker" could easily be damage control from the cops to cover the leak of information. I think we won't know conclusively until the arresting officers and witnesses give their official statements for the court.