1. If I hadn’t been drinking or doing drugs, I would never submit to a drug test, “After” passing a FST.
This falls under the phrase “If you don’t have anything to hide...”. The result was a fishing expedition, looking for a charge, not a probable cause investigation.
2. This so called officer needs to be investigated as does everyone involved in the entire process for unlawful detainment, under the color of law, false charges(there is no law on the books for caffeine, etc,, etc, etc.
I usually let most sleights go but, this one would have me at an attorney’s office looking for my share of the public pie for the abuse...
Which state do you live in? Most likely you have already given your consent to a blood test.