DNA testing leads to suspect in 20-year-old murder of two teens

Coley McCraney, 45, was charged with multiple counts of capital murder and rape.
1:42 | 03/17/19

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Transcript for DNA testing leads to suspect in 20-year-old murder of two teens
Now with the unsolved murder mystery dating back twenty years to teenage girls who never made it's will birthday party. The new DNA lead that led to an arrest here's ABC's aerial Russia. Tonight cutting edge DNA testing ending this truck driver behind bars twenty years after the haunting deaths of two Alabama teen's 45 year old Coley McCready booked on multiple counts of capital murder and rape. After ozark investigators reexamine evidence in the 1999 cold case seventeen year old JB Beasley and Traci hauling. I genealogy site used to hone in on Rick Rainey a man with no criminal record who had never been questioned by police working the case. Authorities taking a swab from McCready. That DNA sent to a high tech lab out of state. Ultimately they save matching samples collected from the crime scene from the victim's father hope justice will finally be served. There are some crimes so heinous. Anthony humanity. Needs to be really. The purpose. This the latest in a host of cases advanced using genealogy data bases just last month this hockey dad arrested for the 1993 murder of a Minnesota woman. Pleading not guilty. The suspect's DNA was identified as being consistent. With the DNA left at the scene. And the ozark police chief telling ABC news investigators were inspired by the capture of the suspected Golden State killer in northern California last year. And the police chief tells me as of now there's no evidence to suggest the suspect had any connection to the victims before this crime. But this is a tight knit community the police chief himself says he knows this suspect and Tom he called this apparent break in the case shocking.

This transcript has been automatically generated and may not be 100% accurate.

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