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The new line of investigative inquiry comes as the Pima County Sheriff’s Department said the DNA sample did not match any entries in the FBI’s database of known offenders.
The burgeoning field of investigative genealogy has been instrumental in past cases, including the killing of four Idaho university students by Bryan Kohberger.
The procedure analyzes DNA samples uploaded to publicly available systems used to map someone’s family tree.
Criminal investigators can take an unknown suspect’s DNA profile and upload it to a public database and then use the genealogical information and other evidence to build back through the family tree and identify potential suspects.
The burgeoning field of investigative genealogy has been instrumental in past cases, including the killing of four Idaho university students by Bryan Kohberger.
The procedure analyzes DNA samples uploaded to publicly available systems used to map someone’s family tree.
Criminal investigators can take an unknown suspect’s DNA profile and upload it to a public database and then use the genealogical information and other evidence to build back through the family tree and identify potential suspects.