// Definition
Roadside drug test kits used by police are simple colorimetric ampule tests notorious for producing false positive results. A substance is placed in the kit, and if it changes color, the subject is deemed positive regardless of actual drug presence.
// From the Episode
Discussed in context of the Colorado THC-in-water hoax. The panel noted that these same unreliable kits have been used to arrest and convict innocent people. Cross-contamination from the tester's own hands can trigger false positives. The kits were eventually acknowledged to have produced false positives in the Colorado water case.
// Source
Ep. 098 Hash Church XCVI 96 →