Refer this work to better understand the workings of the current driving impairment devices used by the police to evaluate a motorist’s mental and physical status in driving. It also includes evidentiary devices for forensic evaluation.
Carswell
Understanding All Impaired Driving Devices, Hardbound book
Refer this work to better understand the workings of the current driving impairment devices used by the police to evaluate a motorist’s mental and physical status in driving. It also includes evidentiary devices for forensic evaluation.