It’s been nearly 30 years since DNA testing linked OJ Simpson to the murders of Nicole Brown Simpson and Ron Goldman. Since then, the process has gone through some major changes. In a Fox 32 special report, Tia Ewing looks at how investigators can now do a lot more with a lot less.
Simpson’s 1994 murder trial is well known for a lot of reasons. One of them is the more than 108 exhibits of DNA evidence that were introduced, which included more than 60 drops of blood.
That’s because every time you touch something, like a door knob, your computer, or a phone, you leave behind skin cells, or Touch DNA.The human body sheds roughly 400,000 skin cells each day. Gruhl says investigators need only a small fraction of that to get a DNA profile. "We don’t just do DNA on sexual assaults or homicides. We actually process property crimes. We process crimes against people. It could be a battery case," Danosky said.
"He was arrested. He was charged, everything like that. He was very lucky that he had a very good lawyer who believed him when he said ‘I have an alibi. I could not have done this. You need to look into this,’" Myerscough-Mueller said. Myerscough-Mueller says it’s very possible other people are being wrongly convicted using Touch DNA because it was just transferred from something else and they are not able to prove their alibi.
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