Town Koopa Bank
From the Super Mario Wiki
(Redirected from Probably a Robbery?)
When the player decides to stop here, they will meet Koopa. He needs help since someone has just stolen all the coins from the safe. His quest, Probably A Robbery?, is a mystery where Shroomlock comes by to help. After Koopa gives him the details, Shroomlock asks the player to interview the three suspects: Goombob, Paratroopa, and Mr. I. Solving the case will reward the player with the Gaddget Card Trick.