脱氧核糖核酸和遗传基因基因学 解决了36年的 Tracy Whitney谋杀案 DNA evidence and genetic genealogy solve 36-year-old cold case of Tracy Whitney's murder.

经过36年之后,DNA证据和遗传基因基因测试确定John Guillot Jr.是18岁的Tracy Whitney的杀手,1988年在华盛顿Sumner附近的一条河流中发现了他的尸体。 After 36 years, DNA evidence and genetic genealogy testing have identified John Guillot Jr. as the killer of 18-year-old Tracy Whitney, whose body was found in a river near Sumner, Washington, in 1988. 虽然吉洛小在鉴定之前八个月就已经死亡, 但他的儿子的DNA证实了匹配. Although Guillot Jr. had died eight months before the identification, his son’s DNA confirmed the match. Tracy的妹妹Robin Whitney 尽管凶手没有受到法律制裁 但还是找到了结案的机会 Tracy's sister, Robin Whitney, found closure despite not having the killer face justice.