- Narrator: The murder of Doctor Elton Parkson was one of the most baffling in police history, for the clues they found had little meaning and no apparent connection to each other: desk drawers strung out in a line in the center of the office, their contents untouched; the strangled victim found locked in a closet. Because of the nature of these clues, Lieutenant Pat McKay from the homicide detail enlisted the aid of Doctor Everett Colner, police psychiatrist. Colner felt that, because the victim was a doctor, the killer might be found among his patients. So with the aid of Jean Smith, the slain doctor's nurse, he carefully examined Parkson's files for psychiatric clues. Selected case histories revealed such intimate personal details as 'intemperate, violent, melancholy, morose, psychoneurotic, hysterical, neurasthenic... '
- [last lines]
- Dr. Everett Colner M.D.: I wish I had known you ten years earlier, Caighn, all of this would've been prevented. In your troubled mind, the doctor had deprived you of your mother; just as it had seemed to you as a child that your mother had taken away your father. For the second time you've suffered a loss, only this time there were no natural feelings to stop you from carrying out your desire, and you killed Doctor Parkson.
- Burton Caighn Jr.: I'm a mmm-murderer, a murderer!
- [starts to sob]
- Police Lt. Pat McKay: Achtung, achtung!
- [bounding up the stairs along with other policemen]
- Police Lt. Pat McKay: Are you alright? He didn't show up...
- [Caign, who was eyeing the window, dashes over to it at full speed]
- Police Lt. Pat McKay: Stop, Caighn, stop!
- [Lt. McKay, Dr. Colner, and the other policemen rush toward him, but it is too late - Caighn has bust through the window and leapt to his death]