Gotham General Hospital
Thankfully, this is another scenario that’s already been dealt with by the time you arrive. While he might not be one of the marquee names in Gotham, The Crime Doctor’s certainly done his share to get more destructive villains back on their feet. More importantly, though, it seems he was caught trying to impersonate an arriving surgeon and exercise his penchant for torture.
"Played the part well enough. Didn’t raise suspicion ‘til he got caught in the chief of medicine’s office, ripping up and retaping people out of his contact cards. That’s Arkham inmates for ya."
All these cards are mismatched; what’s up with this defiled Rolodex?
NOTE: this puzzle yields an instruction for obtaining the final answer.