Six men died in a Chicago woman's home over a three-year period.  Further investigation showed that 47-year-old Margaret Summers had been married six times and all were dead.  She had taken out nineteen life insurance policies, all naming her as the sole beneficiary.  She claimed innocence, the police thought otherwise.  Also find out when the first permanent photograph was taken and three different stories of lost cyanide.  Retrosponsor:  Tintex fabric dye. Learn more about your ad choices. Visit megaphone.fm/adchoices