"Just as a guess," Sandra replied, "but I'd imagine that when the ancient settlement got disrupted by the construction of the superstore, it disturbed their eternal rest."  She finished off her meal before standing.  "I think we need to go take a look, see for ourselves.  Seph, eyes wide open."  She looked back to the man, pausing for a moment.  "Don't think I ever got your name.  I'm Sandra, though.  You're free to come or not come as you see fit, though I expect you'll want some answers that only seeing will let you believe.  You know where this settlement is at?"