WILSON, N.C. - Family and friends gathered Thursday to lay to rest a little North Carolina boy who always had a smile on his face -- as the motive for his senseless murder over the weekend remained a mystery.Cannon Hinnant (Family photo)"[You] can't imagine what it's like to hold your son in your arms with a gunshot wound to the head, and his blood is running down your arms," Austin Hinnant told WRAL-TV before the funeral for his 5-year-old son Cannon.Darius Sessoms, 25, has been charged with walking up to the boy late Sunday afternoon and shooting him in the head at point-blank range, according to police and witnesses.