i cant give proof but i know for sure its jason todd proof is i beat the game at the end freaking scarecrow injects batman w fear toxin like five times then everybody found out he just lost his fear arkham knight frees batman and batman injects scarecrow w his own toxin lol [spoiler]scarecrow uses robin and says that only thing that saves robin is him taking his mask off and he does this on arkham asylum btw scarecrow recording live so now everybody know who brucy is [/spoiler]