Lt. Rod Blake: Oh, hello. I'm Rod Blake, chief investigator for the Nevada state troopers. Psychiatrists claim that sleepwalking is usually caused by deep-seated psychological distrubances. That was certainly the case of Shakespeare's Lady Macbeth, who walked in her sleep trying to wash the blood of Banquo's murder from her hands. You'll meet a less famous, but equally disturbed sleepwalker who became the victim of a murderer in a case called, "The Night Has a Thousand Eyes".