13 May 2019
Trace stains can be difficult to identifyRafe Swan/GettyBy Clare WilsonStains at crime scenes can sometimes be hard to identify, but the unique combination of bacteria they contain may help.
Large splatters of blood at a crime scene can be self-evident, but investigators sometimes need to work out if tiny stains are significant. “If you see something that looks like a trace, you want to know if it’s important,” says Natasha Arora, of the Zurich Institute of Forensic Medicine in Switzerland.
Luminol spray can reveal blood spots, but it isn’t a definitive test, as it can cross-react …
Quarterly by Direct DebitInclusive of applicable taxes (VAT)Existing subscribers, please log in with your email address to link your account access.