It all began when the Talons wrecked Schiller's car while he was on his way to his annual vacation.
Schiller considered himself quite tolerant. By tolerant, he meant that he treated every personality equally.
It did not mean that personalities representing negative traits should be locked away forever. Since he had already let Moonlight Schiller, who represented violence, get some fresh air back in Marvel, then in DC, it was only natural to let Schiller's pathological side get some fresh air too, wasn't it?
Of course, Schiller had not made that decision at first. He had merely planned to get everyone to do something useful while dealing with the Owls. And by everyone, he included the source of Gotham's endless petty disputes—Batman.
Everything Schiller had told Batman was true. He had indeed come to Metropolis, and his first stop in investigating the city had been Anderson Mental Hospital.
There was no special reason for it. It was simply an occupational habit. He wanted to see whether Metropolis's mental hospital had anything Arkham Asylum could learn from.
His infiltration process had been much the same as Batman's, so he had also arrived at Isabel's room and learned the truth about the asylum from the letter she had left behind.
Once he learned that, Schiller knew the opportunity had come to let some dangerous personalities out for fresh air.
After releasing Pathological Schiller, he turned everyone connected to the secret experiment—the bank president, the boss of Pyro Company, the boss of Snow Mountain Company, and Eliza, the female director of the experimental facility—into a serial murder case.
While committing the crimes, Schiller planted a clue in the first case to steer the investigation: janitors and cleaning agents.
The footage captured by the surveillance cameras had all been carefully designed by him. First,