Bug: There are certain parts of the game where you can play with the camera. In one of them, you can see through the Merchant's insides and you can see he's truly infected with Las Plagas! Watching him like this is really hilarious.
Trivia: The tactical vest you can buy from the merchant is exactly the same as the STARS jackets worn by the main characters in the Remake of the original Resident Evil for the gamecube.