She is nowhere to be found. However, if you return to the museum after chasing the thief, you may get another clue.
Once you have recovered the timecard from the security guard at the Clown Store, you can get the photo of the thief and talk to the Inspector at the museum's Security Room. She is there until the scooter chase with the thief (shady guy), and then she is gone.
After you have already gone into the museum and been arrested and carted away. (True.)
The mimes are street performers Downtown, in front of the Clown Store. There only function is to tell you where the thief has gone once the museum has been robbed. If you show the thief's picture to anyone Downtown, you are dragged over to the mimes, who act out "playing music". This indicates that the thief is at the All That Jazz cafe.
When you enter the museum and night falls, he probably goes to sleep at the Inn, and he is gone the following day.
This could be part of "Counterfeit Island", which is under development for release in the near future (late 2009).
When you go to the museum on early poptropica(pop art museum) next to the blimp. When you have gone in you go to the left and there is a lady with grey hair and glasses.
The Museum FantastiqueCounterfeit Island's Museum has many international paintings and a secret that makes it a target for notorious art thieves. Once you've gone through the Underground Tunnel Tour, you can apply for a job and help safeguard the artwork there.
Inspector Gadget - 1983 Gone Went the Wind 1-39 is rated/received certificates of: Australia:G
Inspector Gadget - 1983 Gone Went the Wind 1-39 was released on: USA: 3 November 1983
It Takes a Thief - 2005 Gone in 60 Seconds 2-37 was released on: USA: 10 April 2007
Their only real function is to tell you where the bad guy has gone after the theft of The Scream. When you get his picture from the security video, show it to anyone Downtown and the mimes will pantomime "music". This is your clue that you will find him at the All That Jazz Cafe.
You can find two tickets to the Underground Tour in the two trashcans to the right of the entrance (dig to the bottom). Once you have gone to the Countryside with a green balloon, you can return the tickets to their owner at the Internet Cafe on Main Street.