One inmate per deal. You're looking at a long time here unless you phrased it right. [He pauses, considering.] Like, "I want to make it so the Triangles were never here."

[But knowing the Admiral, that could leave a pretty big loophole for them to arrive in the future.]

You could also try to enlist the help of some of the other wardens here. We've got a few who've fought off alien invasions, I'm sure.