Daily injections of bacon grease. Yeah, that's the ticket. Nope. Just let him sit in a kitchen while chitlins' are being fixed, then serve him a plate or three. :)
Or maybe have him go to breakfast at Waffle House so he can have some scattered, smothered & covered hash browns to go with his force-fed bacon and sausage.
Heck, take him to Waffle House on a rush night and tell the folks around the counter - "This is one of the guys responsible for September 11, and he doesn't want to talk. Any of y'all feel like persuading him?"