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Specimen Adulteration: How Drug Tests Detect Fake Urine and What Works

Specimen Adulteration: How Drug Tests Detect Fake Urine and What Works

Specimen adulteration in urine drug tests is a growing challenge. Learn how labs detect fake urine, what markers they use, why synthetic urine is hard to catch, and what actually works to stop it.

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forensic photography chain of custody expert testimony evidence markers crime scene documentation firearm trace eTrace homicide weapons ATF firearm tracing gun trace database impact spatter high-velocity bloodstain patterns forensic blood analysis bloodstain pattern interpretation crime scene forensics threat letters anonymous notes psycholinguistic analysis forensic linguistics criminal profiling

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