“Genetic genealogy has changed the world of DNA and these cases,” said Capt. Scott Bonner, a cold case detective and 25-year veteran of Heflin police in Alabama. “I never dreamed that we would come this far with these cases.”
At the time, Ozark police said they decided to try using genetic genealogy after the arrest of California’s “Golden State Killer” relied on the same technology.
The girls’ bodies were found the next day inside the trunk of Beasley’s black Mazda, parked on the side of Herring Avenue about one block away from the Dale County hospital. Both teens had been shot in the head. Their jewelry, purses and money were still in the car, and officials said there were no physical signs either girl had been raped.
So the genealogy team was only able to create a list of surnames they thought could be somewhere in the suspect’s family tree. They wrote a report and briefed Ozark officials, sharing the list of possibly relevant names. When they got to the name McCraney, someone on the Ozark team remembered going to high school with Coley McCraney.
He talked with Beasely before getting in her car and giving the teens directions. They passed another gas station where his semi-truck was parked, where McCraney said he and Beasley had consensual sex.The next day, Beasely’s car was found still in Ozark on the side of the road, the girls shot dead in the trunk.Fingerprints found on the steering wheel and gear shift of Beasely’s car did not match McCraney, and there was no evidence preserved from the backseat. The gun was never found.
“It’s a piece of evidence, it can be a powerful piece,” he said. “But it’s just evidence. You don’t blindly follow it.”Often cases that involve a Black person’s DNA are harder to work than white or European samples, said Moore at Parabon. That’s because there are fewer Black participants who have uploaded their genome sequences on GEDMatch and FamilyTreeDNA.
While many people have used popular sites like Ancestry and 23andMe to send off swabs and research their family history, users have to take an extra step to allow law enforcement to search those results. They have to upload their sequences to open sites like GEDMatch and FamilyTreeDNA and opt in, in some circumstances, to let police compare results.
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