Do you think wearing on-body cameras on duty should be mandatory?
Experience is the best teacher for learning to spot contraband drugs and alcohol and drug intoxication in the field. But the cop needs a demonstrable standard for evidence. It's here that presumptive field testing for alcohol and drugs is most useful.
Encompassing everything from red curbs to alleyways, from metered parking spots to handicapped designated violators, parking enforcement is often seen as a nuisance. But it can also be a means of identifying red flags.
In this dash-cam video, an officer pulls over a speeder and advises him to "be careful pulling out," after writing him a ticket. He'll be surprised by what happens next, after returning to his patrol car.