article_snippet.sent: Colin Pitchfork was finally caught two years later thanks to DNA tests on all the men in surrounding villages.
article_snippet.sent: After the world's first mass screening for DNA - where 5,000 men in three villages were asked to volunteer blood or saliva samples - Colin Pitchfork was eventually caught.
article_snippet.sent: There can be no doubt that had it not been for advances in science, a local man would have been convicted while Colin Pitchfork remained free.
article_snippet.sent: However, two years later, semen samples found at the crime scenes were used to match the DNA of Pitchfork, a baker and convicted flasher.
article_snippet.sent: a local man became the first criminal in the world to be convicted based on DNA fingerprinting, following the first mass screening of 5,000 men in three neighbouring villages.
highlights_snippet.sent: Colin Pitchfork was jailed for life two years after second murder thanks to DNA testing .
  
highlights_snippet.sent: Colin Pitchfork was the first man to be convicted based on DNA evidence .
  