It’s an increasingly important tool in solving cold cases and catching serial killers: DNA. But not just any DNA – DNA off discarded food, soda cans, water bottles, or even chewing gum. Andrea Cavallier reports
It’s an increasingly important tool in solving cold cases and catching serial killers: DNA. But not just any DNA – DNA off discarded food, soda cans, water bottles, or even chewing gum. Andrea Cavallier reports