Breathalyzers and DUI Charges in British Columbia

A Breathalyzer is a drunk driving detection tool usedNote that refusing to blow into a breathalyzer is
by law enforcement to test for drunk driving withoutcriminal offense in itself.
taking blood or some other fluid. In other words, it's aThere are several ways to defend against a DUI
way for the police to test for a impaired driving withcharge in British Columbia.
minimal intrusion - or less intrusion than taking yourThe key point to note is that the prosecution must
blood or other fluids.prove beyond a reasonable doubt that you were
The breathalyzer gives a reading based on the bloodimpaired while operating a motor vehicle. Not only that,
alcohol level in 100 mL of blood. In British Columbia, athe evidence relied upon by the prosecution must be
result of .08 or higher is considered impaired driving andreliable and obtained in a way that doesn't violate your
will likely result in a DUI charge. However, also in B.C., inCharter rights - such as protection against
some circumstances, a police officer may issue a 24unreasonable search and seizure.
hour ticket instead of making an arrest on the criminalThe prosecution must prove the breathalyzer was
charge of DUI.reliable - that it was maintained and calibrated properly.
A police officer must have a reason to ask a driver toAnother potential defense is proving the identity of the
blow into a breathalyzer. Good enough reasons includedriver. Sometimes the prosecution's case is weak in
(but are not limited to) smelling alcohol, slurred speech,proving the actual identity of the driver. And then
poor performance during a roadside sobriety test, andthere's the potential defenses of having evidence not
any other signs of impairment. The reason an officeradmitted because it was obtained by the police in a
must have a reason to force you to blow into away that violated your individual rights set out in the
breathalyzer is Canadian law protects the individualCharter.
right against unreasonable search and seizure (sectionAgain, the point is there are numerous defenses to
8 of the Canadian Charter of Rights and Freedoms).impaired driving charges in British Columbia.