Client stops at construction barrier to speak to police officer working detail. Client engages officer in conversation stating he must drive up road closed to traffic to get to his home. Officer notes odor of alcohol and unusual pupil dilation. Accused drunk driver denies drinking and states he is coming from work. Detail officer calls in second police unit who respond and arrest client when he refuses to participate in field sobriety tests. Defense prepared to utilize booking video to show lack of impairment. Police testify that observations led to opinion that driver “had consumed some alcohol.” Not guilty verdict following trial