August 2008: Level 2 Investigation Course – Dorset Police Training 


September 2013: I attended and successfully completed the Home Office approved National Drugs Expert Witness Course at Portishead Police Training and Development Centre, Bristol. 


November 2013: I attended the DEWVA national conference subjects covered:

- Update on the global drugs market from the NCA

- International drug importation routes


December 2013: I attended a mobile phone extraction course using XRY Kiosk provided by Micro Systemation.


November 2014: I attended the DEWVA national conference subjects covered:

- Update on the global drugs market from the NCA

- International drug importation routes


November 2015: I attended the DEWVA national conference subjects covered:

- Update on the global drugs market from the NCA

- International drug importation routes


November 2016: I attended the DEWVA national conference subjects covered:

- Expanding knowledge of Chemsex, and the use of dating apps to purchase/sell drugs, and to invite attendees to sex parties that involve the use  of controlled drugs

- Update on the global drugs market from the NCA

- International drug importation routes

- Cannabis ID & Yield Calculation, Defence Expert role/legal updates/ National & International drug trafficking/SCRA


November 2016: The Home Office approved course in the use of Drug Testing kits for the EDIT process presumptive identification of Heroin, Cocaine, Crack Cocaine, MDMA, Amphetamine and Ketamine. 


November 2017: I attended the DEWVA national conference subjects covered:

- Continued provenance of Chemsex

- Update on the global drugs market from the NCA

- International drug importation routes

- Cannabis ID & Yield Calculation, Defence Expert role/legal updates/ National & International drug trafficking/SCRA


April 2018: I attended Regional Drug Expert Meeting subjects covered:

- County Lines – UC operations and trafficking tactics

- Phone interpretations

- Prison drug culture, usage, pricing and trafficking

- Social drug misuse

- Barristers expectations

- Prison drugs

- Crypto currency and dark web knowledge

- County lines and Operation Hazel

- Barrister expectations of drug expert at court


June 2018:I attended a overdose intervention and prenoxad injection trainers’ course at Dorset HQ provided by Martindale Pharma.


June 2018: I attended Isle of Wight Festival to observe and liaise with Police, security and drug testing. To speak with persons attending the festival about drug use.


August 2018: Trained in the use of Bruker Alpha-Analyser to test Ketamine, Mephedrone and other chemical-based drugs. 


August 2018: I attended Boomtown Festival to observe and liaise with Police, security and drug testing. To speak with persons attending the festival about drug use.


August 2018: Trained in the use of the Thermofisher TruNarc handheld drug detection device by Hazmat, for the detection of Mephedrone and Ketamine. 


November 2019: I attended the DEWVA national conference subjects covered:

- Steroids

- NCA Global Drugs Market update

- Production & Economics of Cannabis Oils, concentrates and edibles (David Potter)

- Drugs in Prison

- County Lines update


April 2021: trained in the use of the Thermofisher Tru-Defender handheld drug detection device


November 2021: I attended the DEWVA national conference subjects covered:

- Dr David Potter and cannabis derivatives

- A Judges perspective from HHJ Francis Sheridan

- Experiences of a reformed drug user – George Charlton

- The WEDINOS project – a website publicly publishing the forensic analysis of controlled drug, revealing the true contents of drugs

- Bond Solon update


November 2021: I attended a Controlled Drug Liaison Officers (CDLO) course at GMP headquarters Manchester.


December 2021: I attended and completed a 4-day drugs trafficking and organised Crime course at Middlemoor Police HQ Exeter. 

This course gave me an understanding of how Heroin and Cocaine are supplied from the point of production down to street level within the United Kingdom. The course covered routes of importation, financial costs, roles within the supply chain and methods of concealment. 


March 2021: I completed the Detectachem training for the use and training delivery of the Mobile Detect drugs identification kits.


July 2023: Completed a Opiate overdose recognition/Nasal Naloxone administration course.


August 2023: I attended Reading Festival to observe and liaise with Police, security and drug testing. To speak with persons attending the festival about drug use.


November 2023: I attended the DEWVA national conference subjects covered:

- Opening from Chief Constable Lucy D’orsi QPM

- NCA Global Drugs Market update – Andy Mason

- The importance of Peer Review – Julie Jenkins, Drug Forensic Scientist

- The legal obligations of an Expert Witness – Claire Pickthall and Sarah Peters

- New and emerging Psychoactive Drug Trends – Ren Masetti (NHS Foundation Trust)

- Drugs in Prison – Rachel McGough & Anna Smith (HMPPS)

- Dark Web Drug Pricing – Alex Hudson, NCA Operation Dice)

- Recreational Drug Trends – Drugs work in clubs – Neil Brooks (CGL)


November 2024: I attended the DEWVA national conference subjects covered:

- Update on the global drugs market from the NCA

- The growth of synthetic opioids from Professor Jon Cole

- The history and impact of Albanian Organised Crime Groups in the UK drugs market – Tony Saggers

- Disclosure Obligations by Claire Pickthall and Sarah Peters

- Legal updates from Bond Solon (Nick Deal)

- Drugs in Prison – HMPPS

- Input and update from Alex Fisher regarding legal/medical cannabis (Grow Pharma and IPS Pharma)


March 2025: I attended on-line CPD provided by Independent Drug Expert Association (IDEA) covering the following topics:  

- Custody Expert Witness

- Disclosure for Experts

- Modern Slavery & Human Trafficking

- Ketamine: From Synthesis to Street, and Beyond

- Cannabis Yield Assessment Variations


Pete Gray The

Wessex Drug Expert

Witness and Consultant

Qualifications Held & Training Completed

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