This popular 'Westworld' fan theory explains the identity of the 'Man in Black'

In the HBO series "Westworld," Ed Harris plays a mysterious "man in black" who gets extremely violent with the hosts in the theme park. Aside from the fact that he is a "VIP" guest, we know very little about his character. But some eagle-eyed fans of the show on Reddit have picked up on some clues in the first few episodes that possibly explain who he really is. WARNING: SPOILERS AHEAD Follow Tech Insider: On Facebook