Eidos' latest, probably last buzzbuilder trailer before Tuesday's release of Batman: Arkham Asylum, gives a thumbnail history of this notorious "hospital," and shows why you don't ever want to plead insanity in Gotham City.

It sounds like this audio is taken from the character audio histories, which we saw as unlockables in Arkham's well-received demo. Wonder if we'll be hearing more from Amadeus Arkham.

History of Arkham Asylum Trailer [GameTrailers]

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