one of them, diane harry, made a startling admission. e said that she may have been the intended target. diane said that a few nights earlier she was drinking some scotch whiskey at home with her husband and it made her ill. >> she also told him that there was something wrong with the tea kettle. she tried to make coffee and when she put cream in it, it curdled. >> investigators tested the bottle of scotch from the harry's home and confirmed their suspicion. the bottle contained lethal amounts of cyanide. diane's husband, lewis harry, said he thought he knew who was responsible. he said it was roy fitzpatrick, a 43-year-old delivery man. >> roy fitzpatrick was the ex-boyfriend of a girl that mr. harry was now befriended, is the way he described it. >> fitzpatrick's ex-girlfriend was 33-year-old sharon jones. >> well, i had dated mr. fitzpatrick briefly and he would never accept no. he would stalk me. he would choke me, and he threatened to kill me if i started dating anyone else. mr. harry was very, very persistent that i go to get a rest