John Wyn Williams

Call 1992

jwilliams@exchangechambers.co.uk

"Noted for his expertise in environmental cases of waste, water and air pollution."

Legal 500 2018/19
Photo of John Wyn Williams

Criminal

John is a senior criminal practitioner who defends and prosecutes serious matters in the Crown Court. He has defended and prosecuted homicide along with the defence of hundreds of serious sexual offences and rape cases, and has a wealth of experience in dealing with complex historical sexual allegations. He is expert at dealing with children and vulnerable adults. He is on the CPS Specialist Rape Panel.

His experience includes leading for the Crown in a case of fraud against a Town Clerk charged with misfeasance in a public office. The exhibits ran into 12,000 pages.

He led for the prosecution in a recent case dealing with firearms shootings between rival gangs in Merseyside. Analysis of complex DNA evidence and statistical evidence presented by Professor Balding led to the convictions of four members of the gang for possessing a sub-machine gun and discharging a Colt .45 with intent to endanger life.

John has conducted POCA cases in large drugs cases for the prosecution and defence. He has also advised companies in relation to POCA in environmental cases running into millions of pounds.

Criminal Cases

Successfully resisted Reference by the Attorney General

In April 2019, John appeared before the Vice President of the Court of Appeal Criminal Division Lady Justice Hallett responding to a reference made by the Attorney General’s office in relation to a sentence imposed on his client by HHJ Kershaw at Wolverhampton Crown Court. His client received a suspended sentence at the sentencing hearing in February this year. She was sentenced for her part in Operation Poppett which involved a Conspiracy to Supply Cocaine on an Industrial scale. Benzocaine was imported from China in industrial quantities. John was instructed by Bridgette Hibbert of Farleys in Preston.

Operation Marquette

John has been instructed in this complex and interesting gross negligence manslaughter where he represents one of the defendants charged with having a loaded shotgun in public when he was sat in the back of a land rover when the firearm discharged and killed a fellow passenger. Those charged with manslaughter were represented by silks and a legal argument was presented to the Judge on the basis that he had no “immediate control” over the firearm. Instructed by Andrew Scott of Parry Davies Solicitors in Bangor.

Operation Heathbird

John has been instructed to prosecute this case which alleges Possession of a magnum firearm and live ammunition with intent to endanger life. The weapon and ammunition were discarded by the defendants in a public thoroughfare in central Manchester. A close analysis of DNA evidence and a thorough investigation by National Crime Agency officers has led to the apprehension of both defendants. John is instructed by the Organised Crime Division North of the CPS.

Operation Tamar

John has been instructed to defend one of three defendants charged with attempting to import firearms into the Country from the USA. The firearms include a Glock 9mm hand gun and ammunition. Masks and balaclavas have also been recovered from the premises of one of the defendants. The case involves covert surveillance and statements from Law Enforcement officers in USA. The trial will take place in Preston Crown Court.

Operation Wainscot

John has been retained to defend in forthcoming criminal proceedings relating to the procurement funding of a North Wales hospital. The allegation against his client is that he aided and abetted the main defendant. The case is described by the team Specialist Fraud Division as “complex”.

The main defendant is alleged to have wilfully misconducted himself to such a degree as to amount to an abuse of the public’s trust in the said defendant, namely by submitting or causing to be submitted to Welsh Government business cases which falsely misrepresented the true total outturn cost of the Ysbyty Glan Clwyd Main Redevelopment Project, without reasonable excuse or justification, Contrary to Common Law.

Operation Fraser

John is instructed by Cardiff County Council on behalf of the Wales Illegal Lending Unit to prosecute a “loan shark” who plied his trade for 20 years lending and collecting nearly half a million pounds from vulnerable borrowers. WIMLU is one of only three units in the UK set up by the Government to prosecute “loan sharks”

Operation Zeus

John has recently been retained to defend in this Conspiracy to supply class A drugs involving the alleged activities of two organised crime groups along the North Wales corridor. The investigation includes covert surveillance, telephone evidence and covert listening devices. The trial will be heard in Caernarfon Crown Court.

Operation Rossi

John has been instructed to defend one of seven defendants charged with Conspiracy to Defraud. The Investigation relates to the activities of Express Motors and their directors and involves allegations of fraud in relation to concessionary fares paid by Gwynedd County Council.

Operation Ulysses

John has been instructed to defend in this massive Conspiracy to Supply class A drugs. The pages run into over 30,000 and the case is described as the biggest drugs case prosecuted in Wales. It involves defendants from Liverpool, North Wales and also from Mid and South Wales. It is to be heard at Swansea Crown Court.

Operation Funder

John is currently instructed in a 6 week trial in Leeds Crown Court which involves an allegation that  three defendants conspired to defraud elderly and vulnerable members of the public to service and purchase both Dyson and Kirby vacuum cleaners. It was alleged that a company owned by the Main defendant had benefitted to the tune of £1.5million.

The Case is brought by Yorkshire Trading Standards and was investigated by”Scambusters”.

John is instructed by Farleys of Preston and appears for the main defendant.

Operation Cobweb

John has received instructions to appear in a massive mortgage and money laundering case in Manchester. The matter is listed for a 12 week trial at Manchester Crown Court and he will be led by John Jones QC.

He is instructed by Forbes of Preston.

Operation Astute

Class A Drugs conspiracy involving detailed telecoms evidence- defending.

Operation Yonside

Class A and B Drugs conspiracy – acting for the main defendant with extensive telecoms evidence in excess of 30,000 pages.

Operation Measure

Defending in a multi handed drugs conspiracy with over 30 defendants.

Operation Ralston

Defending a defendant in a conspiracy to defraud involving £800,000 of public money.

Operation Oriel

Recently instructed to defend a fireman and landlord charged with five counts of gross negligence manslaughter based on alleged Breaches under the Regulatory Reform (Fire Safety) Order 2005.

Operation Affleck

Recent instructions to defend in a multi handed conspiracy to defraud in an alleged £3.5m land bank fraud.

R v France

Prosecuting – Prisoner on day release helped with robbery of security guard in bank.

http://www.derbytelegraph.co.uk/Prisoner-day-release-helped-robbery-security/ story-14054558-detail/story.html

R v Ian Maxwell

Defended Falklands war veteran accused of 7 counts of fraud against elderley victims.

http://www.itv.com/news/wales/topic/ian-maxwell/

R v Robert Sullivan

Prosecution. Defendant admitted 25 sex charges including 9 rapes.

http://www.mirror.co.uk/news/uk-news/robert-sullivan-sadistic-paedophile-jailed-1517508

R v Gwilym Roberts

defended councillor charged with stabbing his wife. http://www.dailymail.co.uk/news/article-1295937/Councillor-stabbed-wife-finding-hotel- room-political-rival-jailed.html

R v Iestyn Davies

Six week murder led by P Harrington QC – including complex DNA and SOIL Analysis evidence. http://m.bbc.co.uk/news/uk-wales-north-west-wales-13119857

R v Alwen Jones

Three week murder led by Mr I Murphy QC – involving issue of loss of control.

http://m.bbc.co.uk/news/uk-wales-north-west-wales-19897554

R v Gardiner

Manslaughter prosecution involving causation issues. http://www.chesterchronicle.co.uk/news/chester-cheshire-news/chester-liverpool-arms- manslaughter-ellesmere-6998083

R v Ken Jones

Manslaughter – defendant acquitted of killing his father.

http://news.bbc.co.uk/1/hi/wales/7893003.stm

Operation Kalina

Drugs conspiracy for CCU involving detailed telephone evidence.

http://www.winsfordguardian.co.uk/news/

11016223._Evil  Winsford_drugs_gang_turned_Moulton_home_into_a   crack_house_/? ref=var_0

Operation Base

Drugs conspiracy for CCU involving gangland warfare, guns and live ammunition.

http://www.bbc.co.uk/news/uk-england-merseyside-24162236

Operation Knock

Drugs conspiracy.

Operation Justice

Large drugs conspiracy in North Wales. Rape prosecutions involving children and vulnerable adults.

http://www.leaderlive.co.uk/news/90129/judge-warns-rapist-he-can-expect-long-jail- sentence.aspx

R v Newcombe-Buley

Child abuse. http://www.express.co.uk/news/uk/206809/Scientist-jailed-for-extreme-cruelty-to- adopted-children RSPCA prosecutions.