Sorry, you don't, you only find their stuff well, not exactly the thief is actually the big spider.
The curator is the owner of the museum on counterfeit island. You will receive a package with a message. You will find her in the museum in Early Poptropica.=-)
The art thief is back on Counterfeit Island. As part of Counterfeit island, you don't need to do anything in Early Poptropica except get the key from the curator at the Pop Art Museum, then return to Counterfeit Island to open the Inspector's house.
After you chase the thief on the scooters, you will get the key to the cottage in the Country Side from Early Poptropica island. There you will find the missing painting and enter the lair of the Black Widow.
On the train. For one of them.
As most people who play the game know, the thief is the reporter for the newspaper Le Monde. As for what good that does you, here is the link to the site for Poptropica, which gives all kinds of helpful hints and clues.
After you chase the thief, you get a package and go to Early Poptropica island. There you get a key that opens the Inspector's cottage. You find the stolen painting and the lights go out.
There is no key to find. You will get it when the time comes. After you chase the thief, you will be going to the Art Museum on Early Poptropica. You will talk to the curator and she will give you the key.
how can you find gold in wild-west island on poptropica.
The theives aren't there. You just need to find what they stole.
You find the Black Widow in the underground tunnel. Good Luck!
After you identify the painting thief from the security videos, and find him Downtown, you will chase him on the scooters. After this, you get a package at the museum that will take you to Early Poptropica Island, where you will get the key that fits the cottage door.
What island?! :)