Murder Defence Barrister

Calm and strategic murder defence guidance when everything is at stake

Facing an allegation of murder or homicide is the most devastating experience for someone to endure - carrying the immediate risk of life imprisonment, intense public scrutiny and profound personal consequences.

As a highly-experienced murder defence barrister, Martin can represent people from across the UK who have been charged with murder, manslaughter, gross negligence manslaughter, death by dangerous or careless driving and infanticide.

Many of his clients are not career criminals and may have never previously encountered the criminal justice system, such as parents, professionals and business owners whose reputations and futures are suddenly at stake.

Ensuring every client feels supported, informed and confident at every stage of proceedings lies at the heart of Martin’s approach. He understands that those charged with murder are under extraordinary psychological strain, and that effective defence depends on trust, clarity and preparation.

Martin explores every possible defence strategy in detail, carefully explains the risks and advantages of each option, and will agree a clear, structured murder defence plan so the client fully understands how their case will be fought from start to finish.

Exceptional forensic analysis and courtroom authority

Modern murder prosecutions are increasingly driven by sophisticated forensic and digital evidence.

As an experienced murder barrister, Martin is exceptionally equipped to challenge this material, including pathology and paediatric pathology, neuropathology, psychiatry, psychology and DNA evidence.

A formidable and persuasive jury advocate, Martin’s calm authority and extensive experience in cross-examining expert witnesses is central to cases where the prosecution is heavily relying on complex scientific, medical or technical evidence.

Frequently Asked Questions

What murder defence cases can you handle?

What type of people do you represent?

What is your approach as a murder defence barrister?

Are you aware of the latest forensic evidence?

Do you deal with the Court of Appeal?

Do you handle joint liability murder defences?

Why Choose Martin McCarthy KC

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"Martin is a superb criminal defence barrister. He is a wise and considered practitioner who shows great judgement in which battles to pick. He has a delightful court manner which charms judges and juries alike as well as a steely resolve. Martin is a stellar performer who was made for silk robes."

Other Key Lawyer

"Martin is an able advocate who sports good points of law, argues the point well and is clearly an adroit trial tactician."

London Bar

"Martin is absolutely brilliant. He has a really down-to-earth and direct advocacy style that judges and juries really like and is very effective."

Financial Crime UK Bar

"Martin speaks brilliantly and is very well prepared. His cross-examination is excellent because he has such a good tone of voice and deals with witnesses very well."

Crime UK Bar

"Martin is very industrious, sharp and hard-working and he is an all-round first-class counsel."

Crime UK Bar

"Martin is an exceptional practitioner who is the rare combination of a brilliant brain and an excellent advocate. He reads the room and even in the most challenging of cases ensures that the jury and judge are on board with him."

Legal 500 2024 Edition

"Martin McCarthy has an established defence practice across both crime and financial crime. He has experience of serious matters including those relating to people trafficking and terrorism. His cases regularly have cross-border elements."

Chambers and Partners 2024 edition

"Assiduous and extremely organised, his preparation for a case is excellent. He has an unrivalled sense of which direction a case is going once it's underway. He has a very good forensic mind and the ability to dial it up or down in response to the mood of the courtroom"

Chambers and Partners 2024 edition

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