Dozens of plastic zip ties, presumably used to bind both victims, and among the various items of tanyas clothing, one item stood out. Scharf they found tanyas pants, which eventually were found to have semen on the pant leg. Narrator they also took swabs from Tanyas Body during her autopsy. And so they kept some of the vaginal swabs, and they retained them, frozen, in the laboratory. Narrator but this was 1987, and Dna Science was in its infancy. In fact, the Firstever Conviction using Dna Evidence happened in england just weeks before jay and tanyas murders. Collins when these murders happened in 1987, we werent using dna testing. It hadnt been brought into the lab yet. Narrator despite being relatively unfamiliar with dna technology, analysts realized