Conversation

Framed for Murder By His Own DNA
– 'We leave traces of our genetic material everywhere, even on things we’ve never touched. That got Lukis Anderson charged with a brutal crime he didn’t commit.'
https://www.themarshallproject.org/2018/04/19/framed-for-murder-by-his-own-dna

'...In the years since, van Oorschot's lab has been one of the few to investigate this phenomenon, dubbed "secondary transfer." What they have learned is that, once it's out in the world, DNA doesn't always stay put.

[....] Although the volunteers never touched each other, one third wound up with another’s DNA on their palm. A third of the glasses bore DNA of volunteers who did not touch nor drink from them...'