290 samples tested. 1 error. Sound much better than the presumptive tests now in use. Or when no testing is done. It would prevent mistakes which have led to wrongful convictions. Like this one: https://www.thedailybeast.com/henry-lee-how-many-murder-cases-did-the-celebrity-forensic-scientist-botch

A quick and accurate way to distinguish human blood from animal blood can prove key in crash investigations.
Now a new technique can rapidly tell the difference between human blood and that of nearly a dozen animal species, all without needing to destroy the samples in question. Such research could one day help police confirm or deny the human origins of bloodstains found at possible crime scenes.
— Read on www.insidescience.org/news/new-forensic-technique-quickly-tells-human-blood-animal-blood