Did the SCC Eliminate Impaired Driving Defence Technicalities?
On November 14, 2025, the Supreme Court of Canada (SCC) settled a nationwide debate regarding breath alcohol testing evidence. In its decision, R. v. Rousselle, 2025 SCC 35, a companion case to R. v. Larocque, 2025 SCC 36, the Court confirmed that the Crown is not required to call an analyst to testify or file documents from the analyst in every impaired driving case to prove the reliability of the alcohol standard used in breath testing.
The central question was one of evidence: could the Crown rely solely on the certificate of the qualified technician, a police officer operating the approved instrument, to prove a precondition that the alcohol standard used was certified by an analyst?. The SCC answered a resounding yes.
…Did the SCC Eliminate Impaired Driving Defence Technicalities?Read More »
Did the SCC Eliminate Impaired Driving Defence Technicalities? Read More »
