Thats a tough one. Second week of rifle season means there has been a lot of pressure. If your buddy has significant knowledge of the area tell him to concentrate his search in the thickest timber he can find. Those elk will likely be holed up in the nastiest stuff they can find. I wouldn't call to them myself. I would guess that they will have heard ever call known to man by then.Calling could hurt you more than help. I would say that its gona be a pure spot and sneak hunt. best of luck!