Joseph James DeAngelo — the Golden State Killer — was caught using investigative genetic genealogy, a process by which researchers build family trees using DNA databases as well as traditional methods like newspapers and obituaries.

Source: https://www.courant.com/2023/05/02/detectives-say-a-karate-teacher-had-a-gruesome-secret-it-took-42-years-to-make-their-case/

Pictured: Damien Jake Murphy (left) and Anthony Joseph James Kirby (right), both 36 and from Manchester, were detained by US officers and have been charged with federal offences.

Source: https://www.dailymail.co.uk/news/article-11601639/Video-shows-laughing-Brits-squabble-families-removed-plane-cops.html?ns_mchannel=rss&ns_campaign=1490&ito=1490