“…The phone began ringing at Mitchells parents home. It sounded like kids, remembers Mitchells father, Mark Henderson, a 44-year-old I.T. executive. Theyd say, Hi, this is Mitchell, Im at the cemetery. Hi, Ive got Mitchells iPod. Hi, Im Mitchells ghost, the front door is locked. Can you come down and let me in? He sighed. It really got to my wife. The calls continued for a year and a half…”