Details are everything when it comes to impaired driving investigations. An impaired driving allegation, whether administrative or criminal offence, must be supported either with observed indicia of impairment, a physical coordination test or evidence from an approved screening device, also known as a breathalyzer. The Alco-Sensor FST is the approved instrument for many police forces across Canada. They use the device to gather evidence that a person operated a motor vehicle while impaired by alcohol. It is not the only…
