Marie Davies spent over 10 years as a Reporting Officer at the former Home Office Forensic Science Service (FSS) specialising in sexual offences, and 14 years as a Reporting Scientist and Manager in testing laboratories specialising in hair, nail, blood and oral fluid testing. Marie Davies has reported and peer reviewed over 20,000 cases, with expertise in the interpretation of all areas of drug and alcohol testing, including child cases and drug-facilitated crimes.

Medico-legal work 1. Personal injury - all aspects of personal injury 2. Medical negligence 3. Psychiatric consequences of medical negligence 4. Traumatic brain injury 5. Drug & alcohol testing 6. Hair analysis for family courts 7. Chronic pain 8. Psychiatric consequences of abuse 9. Immigration matters 10. Employment tribunals Treatments for addictions & psychiatric illness Tier 1 APIL Expert • CUBS Expert Witness Certificate • Certificate of Medical Reporting - 1

Drug testing • Alcohol test calculations • Toxicological interpretation • Clinical toxicology • Forensic toxicology • Alcohol • Drugs • Drugs & driving • Substance misuse • Drug-facilitated crime • Child custody • Drugs - licit & illicit • Drugs & personal injury • Insurance reports