Posted by Alb024 Alb024
how likely is to still gather DNA of suspect from a gas station door after it's been handled by officers, employees, EMS personnel?

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Donna Donna
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Collecting touch DNA has its limitations, with mostly the small size of the sample being collected. So an area that has been handled extensively, without gloves especially,  may not yield a thing!
Fingerprints may have a better chance from the suspect pushing the door open or closed or the countertop, if touched..Or a beverage cooler door/handle.