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Follow a pen/small flashlight left and right. Eyes bouncing involuntarily = intoxicated
Nine step walk and turn test
Take nine steps, heel to toe, along a straight line. After taking the steps, the suspect must turn on one foot and return in the same manner in the opposite direction.
One leg stand
Stand with one foot approximately six inches off the ground and count aloud by thousands (One thousand-one, one thousand-two, etc.) until told to put the foot down. The officer times the subject for 30 seconds
Why is blood alcohol an acceptable measurement in the US but blood drug levels are not?
Alcohol measurements are very similar per person, whereas drugs vary too much to set a specific legal measurement
Define soil. Class or individual evidence?
Naturallu deposited material covering Earth's surface; unique in different areas; Class evidence
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