It should be clear by now thatPrisoner 2 faces exactly the same game as Prisoner 1. This means that, no matter what Prisoner 1 does Prisoner 2 should Confess. Confessing is a dominant strategy for Prisoner 2 as well.

   The outcome of the game, if played only once is that both will Confess, and they will each spend 3 years in prison.

   This should be a somewhat troubling outcome. After all, they could both be better off if only they could cooperate and agree to Deny.

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