carbuff
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But if men's underwear was left on her body it should have the owner's skin cells, pubic hairs or other biological traces on it. Whether it would be possible now to generate a DNA profile from those traces rather depends on how the underwear was stored in the meantime - assuming it hasn't been lost or thrown away in the meantime.
Yeah, that would be possible. I was just addressing the presence of semen, which is usually easier to test and provides a larger sample.
Though from what I've read, even in a recent case the odds of finding other biological traces in usable quantities wouldn't be as great as TV shows and DNA testing firms try to portray it And there are major issues with contamination in items that have been stored for a long time. Touch DNA would be as likely to be from the detective or ME who examined the clothing as from the murderer.
Hopefully she'll be identified soon, and the identification will lead to the killer, and the whole point will be moot