“So over the years, it's been kind of hit or miss, right?…” — 20/20 at 10:49
“So over the years, it's been kind of hit or miss, right? So when police can gather some kind of a sample from a crime scene, they can run it through that CODIS lab, but if the person hasn't been arrested or anything like that, it's not going to get a hit.”
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25:52