Professor Johnston in LONDON
Professor Johnston is a Clinical Pharmacologist and Toxicologist with over 40 years of experience in providing expert testimony to the criminal, family, civil and coroners' courts. He provides expert advice to both the defence and prosecution in cases involving the use of drugs. He has the support of an ISO 17025 accredited laboratory (UKAS 7641) for drug analysis. The laboratory specialises in drugs and alcohol in driving cases, including alcohol technical defence.