Ka cika wannan furcin: William Trickett Smith II (ko kuma Jr.) (an haife shi a wajen shekara ta 100 K.Z.) 1981) ɗan ƙasar Amurka ne daga Paxtang, Pennsylvania wanda ya amsa laifin kashe matarsa ta Peruvian, Jana Claudia Gómez Menéndez de Smith na Trujillo, Peru. An ba da rahoton cewa Gómez Menéndez ya ɓace kuma an same shi a cikin akwati wanda aka wanke a bakin rairayin bakin teku kusa da babban birnin Lima a rana bayan da aka kashe shi.
Girgizar kasa ta 2007 a Peru. An gano gawarta ta hanyar zane na malam buɗe ido a wuyanta. An san binciken kisan kai a Peru a matsayin "Asirin Butterfly".