Jonathan James Turner

Barrister, criminal advocate and legal-domain expert.

More than 25 years of experience in criminal litigation, evidence analysis and legal reasoning, with current work spanning criminal defence, digital evidence, criminal legal aid costs and legal AI evaluation.

Barrister of England and Wales
Called to the Bar in November 1999
Inner Temple
Criminal litigation and evidence
Profile

Professional background

Jonathan Turner was called to the Bar at Inner Temple in November 1999. His practice has included serious and complex criminal litigation, evidence-led case preparation, appeals, fraud and substantial disclosure work. Before practice at the Bar, he supervised a large disclosure review team at Lovells in 1999.

His work now combines criminal advocacy with specialist analysis of digital evidence, criminal legal aid remuneration and the evaluation of legal AI systems.

Practice

Areas of work

Criminal Defence

Serious and complex Crown Court defence work, including homicide, serious violence, sexual offences, organised crime, drug conspiracies, firearms, fraud and public-justice offences.

Criminal Defence

Digital Evidence

Analysis of mobile-device evidence, messaging, call data, telephone attribution, cell-site and location evidence, CCTV and electronic disclosure.

Digital Evidence

Legal AI Evaluation

Evaluation of AI-generated legal work for accuracy, source grounding, authority support, reasoning quality and professional usefulness.

AI & Expert Work

Criminal Legal Aid Costs

Advice and advocacy in criminal legal aid remuneration disputes, redeterminations and appeals.

Costs Decisions

Career archive

Some press reports from my career

A growing archive of publicly accessible press reports and judgments from cases in which Jonathan Turner has appeared, preserved as a record of work across his career at the criminal Bar.

View press reports and judgments

Professional enquiries

Contact

Professional enquiries concerning criminal defence, digital evidence, criminal legal aid costs, legal AI evaluation and legal-domain expert work are welcome.

Contact Jonathan Turner