sentences:  He recorded his attacks on videotape, at least 400 of which were recovered by police, giving them cause to believe that he might have raped anywhere from 150 to 400 women.Police found extensive journals in which Obara made reference to "conquer play," a euphemism describing his sexual assaults on women whom he wrote were "only good for sex" and on whom he sought "revenge on the world" drugging them with chloroform.Carita Simone Ridgway (March 3, 1970 February 29, 1992) was an Australian model from Claremont, Perth, Western Australia, who was working in Tokyo's Ginza area as a bar hostess to earn money for acting school.