Abstract
Evidence that highly specific neurotropic toxins or poisons produced by a non-apparent type of streptococcal infection in nasopharynx or elsewhere may be responsible for the abnormal compulsions that characterize the behavior and acts of criminally inclined persons is reported. A new approach toward the age-old problem of crime appears at hand. Methods for the ready detection of the presence of such infection or intoxication and perhaps for its control have been found.