The Crown sought to qualify a police officer to give opinion evidence regarding the methodology of drug trafficking, pricing, distribution, and street use of ketamine in a possession for trafficking case.
The defence challenged the officer's qualifications.
The court applied the Mohan criteria and White Burgess test for expert evidence admissibility, finding that the officer's training, experience with approximately 30 ketamine investigations, conversations with other officers and drug users, and prior testimony as a drug expert provided a sufficient foundation for the proposed opinion evidence.
The court admitted the evidence while excluding toxicology information regarding lethal dosing as beyond the officer's expertise.