S1·E5 The Man Who Died at Three and Nine

A prominent politician, Paul Crowley, has persistent waking visions in which he sees himself and a beautiful Far Eastern woman drowning in a rushing river. Crowley seeks out Dr. Rhodes, who discovers through Kirlian "aura" photography that a telepathic assassin is practicing biological imposition: an attack on Crowley's psyche that will leave the diplomat vulnerable to suggestion.