get it at night
Counterfeit Island
Night
you don't. the worker blocks you off.
it is at the museum on the top of the museum at..night.
Its a picture of the "Starry Night" by Vincent Van Gogh
Go through the underground tunnels.
hang from the light above it
when it's night, hang on the light above it.
you cant its part of the island mission
You get the key late in the game, after the activities of the first night. You do not have to look for it.
night right after you get caught the thief is the investigator