KLEINSCHMIDT, Judge.
A Phoenix Police Officer stopped Robert Gosnell for speeding and then arrested him for driving under the influence of alcohol in violation of A.R.S. § 28-692(A) and for driving with a blood alcohol content of .10 percent or above in violation of A.R.S. § 28-692(B).
At the police station, the arresting officer administered a breath test to Gosnell using the GCI Mark IV machine. This machine analyzes the breath blown through it...
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