"Now why do you think I would know that?" asks the man who robs graves and they both know it. Hickey has a small little smirk of a smile on his face before he continues with,

"Far as I can tell, their belongings remain. It's as if they went for a walk and never came back."

Hickey's talking about this in a nonchalant manner. It's weird, yes. It's troubling. But it's a weird troubling thing that hasn't affected him at the moment, so he's treating it with the casualness he feels it should deserve.