Season 1 Episodes10
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Ranked #3 of 6 in Season 1•+0.2 vs season avg
In 1986, Detective David Baker became the first person to use DNA profiling in a criminal investigation, when looking for the killer of two young girls.
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"Traces of DNA" is episode 5 of How I Caught The Killer season 1. It scored 7.5/10 from 6 votes, ranking #3 of 6 episodes this season (season average 7.3). It aired on October 11, 2018.