Baffling cases that forensics failed to solve
These cases might stay cold forever
LIFESTYLE Science
When it comes to solving serious criminal cases such as murder, investigators often rely on forensic evidence. They use a number of techniques, such as fingerprinting and DNA testing, with the hope of finding and nailing a perpetrator. Sometimes it works, but other times it just doesn't.
Check out this gallery to find out which cases forensic science has failed to solve.