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How A Single Hair Caught A Killer

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In the previous episode, we showed how homicide detectives solved 50-year-old cold cases.

They analyzed old evidence by using new DNA extraction technology pioneered by Othram, a forensic genealogy lab in Texas.

Othram provided new leads by finding relatives of suspects on genealogy databases.

As revolutionary as that seems, it was just a few years ago that the FBI pioneered the use of mitochondrial DNA in a Texas murder case.

Mitochondrial DNA is handed down from mother to child, so it can only tell you about your maternal ancestors.

In a landmark case, former U.S. prosecutor Bill Johnston used the mitochondrial DNA from a single hair to send a killer to prison for the rest of his life.

Here’s the backstory of how he did it. 


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The True Crime Reporter® podcast features stories about serial killers, mass murderers, murder mysteries, homicides, cold cases, prisons, violent criminals, serial rapists, child abductors, child molesters, kidnappers, bank robbers, cyber criminals, and assorted violent criminals.

True Crime Reporter® is a @2022 copyrighted and trade-marked production by True Crime Reporter®, LLC, in Dallas, Texas.

 

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