We explore Level 18 of the Gradations of Evil Scale, developed by Dr's Michael Stone and Gary Brucato. "Though psychotic, they do not typically prolong their torture. " Maury Travis, a quiet, unsuspecting man, shocked the St. Louis area after police discovered that he was responsible for the death of over 17 women. Known as the "Bi-State Strangler" or the "Street Walker Strangler",