The driver subsequently failed a breathalyser test. P.J. gave her a breathalyser test and realised she was a cop. They administer a breathalyser test to Homer, which he fails. The personal blood level alcohol tester or breathalyser was introduced to Canadians in 2010. Ric had recently introduced breathalyser tests as part of his zero tolerance policy. In "Lion Laboratories v Evans", the copyrighted information about malfunctioning breathalyser machines was reproduced. She introduced the breathalyser to combat the then recently acknowledged crisis of drink-driving.