Twenty-five evidence lockers under Wayne Tower. One opens every day.
Type the code you cracked. Case, spaces, and dashes don't matter.
GCPD booking files. Stamps update as alibis check out.
Suspect statuses update as you crack the case.
Codes you've cracked so far. You'll need them on December 24. They're saved in this browser, so keep the paper notebook from envelope #1 too.