In prison, the men are visited by Gazoo, who earlier spied on Chip and reveals that Chip framed Fred for the robbery and plans to marry Wilma in order to get the Slaghooples' money.
The men are visited by Gazoo. This was in prison. The men plans to marry Wilma in order to get the Slaghooples' money. This is in prison. Gazoo earlier spied on Chip. Chip framed Fred for the robbery. This is what Gazoo reveals.