"...Strain said his deputies also are trained to use discretion in deciding which drivers are most dangerous to public safety. They weigh a variety of factors: the initial traffic violation, the driver's apparent level of impairment, the
driver's record and even the reason for drinking."We don't want to arrest every person who drives through our parish," Strain said. "We're there to get the guy who's truly impaired and not the husband and wife who have just celebrated their 20th anniversary over a bottle of wine."