[HiTech RedNeck]

Is “certification” even needed? It would be a good subject of investigation to find out if there is other hocus pocus going on.

[Neidermeyer]

Is “certification” even needed? It would be a good subject of investigation to find out if there is other hocus pocus going on.
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They probably wanted his car... there is ALWAYS a way to fake a test and get the desired result.

[Navy Patriot]

If you read far enough into the law, a credible case can be argued that all field testing equipment used by cops must be reliable in their results for legal purposes, including regular maintenance, regular accuracy testing, and regular/current training for correct usage.

If those criteria are not met, it is almost certain that the tainted evidence will be tossed.