DNA is not infallible, and DNA transfer is so common that DNA "evidence" is not really evidence of anything at all. Here's an interesting recent story on this

DNA is not infallible, and DNA transfer is so common that DNA "evidence" is not really evidence of anything at all. Here's an interesting recent story on this very topic: https://www.pbs.org/wgbh/frontline/article/framed-for-murder-by-his-own-dna/ https://www.pbs.org/wgbh/frontline/article/framed-for-murder...