Royal Canadian Mounted Police
Symbol of the Government of Canada

Common menu bar links

Toxicology Services


The Most Common Drugs Identified :

  • Alcohol
  • Cannabis & Metabolites
  • Diazepam
  • Cocaine
  • Codeine
  • Diphenhydramine
  • methamphetamine / amphetamine

The Most Common Exhibits Analyzed

  • body fluids, such as blood and urine
  • items from a criminal scene:
  • drug paraphernalia
  • foods, feeds
  • capsules, tablets
  • tear gas canisters
  • residues from drinking glasses
  • unknowns

Training Support

  • 40 - 50 breath test courses / year
  • 800 - 1000 police officers trained


The Toxicology Services Section (TSS) is part of the RCMP’s National Police Services (NPS).

Our Value:

  • concerned with the detection of drugs and/or poisons, including alcohol
  • interpretation of the findings in terms of physiological and behavioral effects in a legal investigation
  • training, technical and scientific support to impaired driving investigations

Our Goals:

  • assist in establishing a true cause of death
  • provide a basis for intoxicated behavior
  • provide a clue of clinical history when the subject is unable or unwilling to do so
  • assist in establishing the truth of statement, e.g.: “I was high and don’t remember anything”
  • support breath test programs for all NPS partners

Our Services:

  • analytical casework
  • independent opinion
  • expert testimony
  • training - e.g. Alcohol Breath Testing Program, Drug Recognition Expert Program, etc.

Our Cases:

  • homicide, manslaughter, suspected homicide, attempted homicide
  • assault (e.g. aggravated, bodily harm, sexual assault, child abuse, etc.).
  • assistance to other agencies where there is a threat to life (e.g. hospital emergencies, military, jails).
  • impaired driving
  • interpretive cases related to criminal charges (Opinion Letters)
  • possession of, or administering, a noxious substance (e.g. tear gas).
  • other criminal cases under police investigation (e.g. poisoning, anti-terrorism investigations involving chemical, biological, radiological/nuclear and explosives (CBRNE) related materials).