touched the knot while he was tying the knot. dna specialist jason wyckoff swabbed the stocking looking for any of those skin cells. the swabs were treated with a solvent to free possible dna. and then replicated so the sample was large enough for dna testing. just as they suspected, they found a dna sample. i noticed that the profile was characteristic of a mixture of at least two individuals and the mixture had male and female gender characteristics. the female dna was that of laura wynn. the source of the male s dna was not yet known. wyckoff analyzed the paper tissue found underneath laura s body with an alternative light source, which revealed a bodily fluid, possibly mucus. he then cut a tiny piece of