She is in her treasure trove of stolen art, and you will find her almost immediately if you go to the right after you are untied.
The Black Widow is never in the museum (at least not as the Black Widow).
skrow you
First you get out the chair by moving your mouse and then you get passed the guards i think if not let me check again.......
The Black Widow (veuve noire) is posing as the police inspector, whose house is in the Country Side. It is on the far right of Counterfeit Island.
you can't
in the inspectors cottage
beat the black widow
the black widow
in the lair of black widow
you go to the art musem
You don't have to find the Black Widow. She will find you. (Check the colorful painting.)
You beat her. She's in prison.