DNA is a staple of crime scene investigations, particularly those seen on TV, because it is far and away the most accurate method we have of matching evidence to a specific individual.
But not all crime scenes have clear DNA markers, so in 2009 the US National Research Council issued a call for new research and reforms to repair deficiencies in forensic science methods.
In response, a research team lead by Glendon Parker at the Lawrence Livermore National Laboratory in California published a study in PLOS One that looks into the possibility of analyzing genetic mutations of the proteins found in hair as an alternative forensic identification method. While hair analysis has a long way to go before it becomes the crime show staple that DNA testing is, it provides insight into what the future of crime scene investigation might look like. READ MORE.