DNA from a discarded cigarette solves a 1985 cold case murder Genetic genealogy test allegedly solved the 35-year-old case.

https://abcnews.go.com/US/dna-discarded-cigarette-solves-1985-cold-case-murder/story?id=69706091&cid=clicksource_4380645_2_heads_hero_live_headlines_hed

https://www.pnj.com/story/news/2020/03/19/pensacola-police-make-arrest-35-year-old-cold-case-murder/2869854001/