That question stumped Batman.
Because even based solely on the video before them, it was hard to say the monster was the most evil one among that group. He might very well have simply played along rather than being the true culprit.
Whether the monster ranked third or fourth in evil depended on whether Bruce had been off-camera. To surpass the first two freaks, it could only be said that when Joker waved at the camera at the end, it was not an apology—it was, Kid, you need more practice.
"That lawyer..." Batman suddenly recalled that the Justice Faction seemed to have one last teammate: Pale Rider.
Schiller shook his head. As he had said, a Joker who became just did not become Batman. Pale Rider's underlying nature was still that of the Joker, and his justice might be a little more extreme than Batman imagined.
After watching the video, Schiller had basically sorted out the entire sequence of events from the beginning of the game until now.
Greed had arrived first. After landing, he should have headed straight for his Underground Laboratory, only to run into the Detective, the kitchen corpse, and Madeline, who had somehow ended up in the Underground Cave. A chase ensued.
The Detective fled into the cramped cave. While being pursued, his head brushed against the sandy grit and debris on the cave ceiling, but he ultimately failed to escape and was killed by Greed's wind blades.
Madeline should have been caught as well, but Greed had not killed her. That was likely because Greed encountered Bruce at that point, and Bruce, as a psychiatrist, could hypnotize Madeline. The two struck a deal.
Greed transported the Detective through the Underground Cave to the Wooden House and likewise moved the unconscious Madeline upstairs. Bruce hypnotized Madeline