Forensic tracking via microbiome.

For decades, DNA testing has been the standard test used to identify sexual assaulters. Authorities try to gather samples of DNA from hairs or bodily fluids found on objects at the crime scene like clothing or bedding. Sometimes victims have their attacker’s DNA o...

http://www.popsci.com/bacterial-signature-may-be-used-identify-sexual-assaulters-0?dom=tw&src=SOC

PS

I remember a Forensic Medicine lecture, on rape, at the Faculty of Medicine, Colombo, Ceylon in the early 1960s when I was a student. It was related how a pubic hair of the accused was isolated from the victims body and identified on its physical characteristics as belonging to the accused. Subsequently the accused was handed the death sentence in a court of law. Our lecturer using the double meaning in english quipped 'HE WAS HUNG BY HIS PUBIC HAIR'. We have come a long way from that time now using DNA and microbiomes.