John shoots a not-so-subtle glance at the revolvers and clamps down on some jealousy. Really, having some guns right about now would be nice. Why does this guy get trusted with guns and he doesn't?

"Well, seems like Betty is among them. See, Betty here tells me her shaman buddies have a whole bunch of weird hobbies and among them is the particularly disturbing trick of bringing things back from the dead. Apparently that's what they want to do with the creepy heart."

Bring it back from the dead. He's not sure if it's really plausible with just a heart but you know, even the concept that it might be is a little... disturbing and alarming both. He drops to begin making sure she's restrained, frowning a little as he turns it allover.