Judge Richard Ambro, in a Friday order, granted the defense request to compare unknown genetic material found at the scene of one of the murders Bittrolff is convicted of to a profile of Heuermann, who is currently charged in the 1993 killing of Sandra Costilla, a case Bittrolff was previously a suspect in.
Ambro wrote that the presence of the unknown DNA "has the potential to create a reasonable probability that the verdict could have been more favorable to the defendant had such evidence been made available to the jury and proved to have originated from Rex Heuermann."
Judge Richard Ambro said unknown genetic material found at the scene of one of the murders Bittrolff is convicted of can be compared to a profile of Heuermann.
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