You have to go get the lizard costume and get into the place and find him in there tied up.
Find a way to get to the top of the building
IT IS IN SPY ISLAND
He's inside a bared roof, but you need the laser pen you get from the 1st spy you save in the docks.
Get the Poptropica Secrets app and find out.
He is at "Spy Island", just right to the air balloon in the "Headquarters" You can find him on the very top floor.
go to the very bottom
it is on top of the vault
you have to capture a spy first and the spy will give it to u (on the docks)
in spy island
The electrified building on Toupee Terrace is where you will find the second missing spy. Before you can rescue him, you have to save the first spy at the Docks. The first spy will give you the Laser Pen that can cut through the bars on the roof window.
Spy Island is island #6. After Spy Island is Nabooti Island #7
everywhere