A serial killer is caught by using soil analysis, insects hold the clues to finding a murderer and the forensic sciences of hair evidence and entomology are put under the microscope.
Discover 11,128,835 listings and 278,236 playable programmes from the BBC
A serial killer is caught by using soil analysis, insects hold the clues to finding a murderer and the forensic sciences of hair evidence and entomology are put under the microscope.