Have we lost our minds? Isn’t Batman supposed to be a good guy? Maybe, he was trying to solve a crime. Did they really need to Lockdown a school and look for this guy? Are they going to sue WB or DC comics for have a Batman run loose in the city?
(("We're assuming it was male, although they did have a mask on,"
Well, duh, it the freaking Batman. He likes wearing a mask. Have you tried searching Wayne Manor?