This has happened, too

I remember reading about a man who was wrongfully convicted of a crime because the actual perpetrator was identical and had the same name. He was exonerated by DNA evidence years later.

I can't find that now though, so take it with a grain of salt; here's a similar fluff piece about baseball players instead:

https://nypost.com/2023/01/11/identical-strangers-with-the-same-name-and-job-took-dna-test/