"...he sent you?" Joe seems confused at this revelation.
"So, it's not you that needs Dias', or rather, my help, but, this other person, the one who sent you."
"Well, yes, I suppose that's true. But I have my reasons also; I wouldn't be here if I didn't have to be."
Joe ponders this idea, deciding whether he wants to be any part of the situation. "Is there anything else you can tell me? I'm finding it hard to see how I can be of any help without more information."
You look away uneasily. Your gut feeling is that Joe is a sincere guy, who really does want to help, but you're starting to feel like he's trying to pump you for imformation; information you're not willing to divulge just yet. You dogde the question for now and get back to the matter at hand. "Do you know anything about Dias? Anything you can tell me about him will help."
Joe lifts off his hat and idly scratches the back of his head with the brim. "Well...I didn't really know him; I'd only spoken to him a handful of times, been at a couple of the same social gatherings as him, that sort of thing. I know some of his close acquaintances. He wasn't talked about much by others; it was like his very nature was a taboo subject." Joe pauses for a moment, thinking. You are enthralled, listening closely. "He was definitely a...unique sort of fellow."
"In a hundred different ways. From the most insignificant habits to...wait, let me start at the beginning. I'll tell you everything I know." You lean back in your chair, ears perked, preparing for a story worth your trip. "He was born right here in Louisiana; lived here all his life and died here too. As far as I know, he never even travelled so much as thirty miles from his own home..."