The Forensic Linguistics Institute

Experts in defamation, cyber bullying and witness statement fabrication

Is your reputation being ruined? Are you being bullied? Has someone made false statements to the police about you?

Dr John Olsson is a leading expert in forensic linguistics, and authorship in particular. Authorship includes: identifying the author of a letter, email, phone text or other statement, anonymous or disguised hate mail, plagiarism, fabricated witness statements and identifying the author of a defamatory (i.e. libellous or slanderous) statement or claim, tweet™, Facebook™ or other social media posting.

In the past we have also identified authors of bullying texts and postings, collusion among witnesses, and many other abuses of the justice system. Dr Olsson worked on, among others, the copyright infringement allegations surrounding Dan Brown's book 'The Da Vinci Code'.

In the course of his long career working as an expert witness in forensic linguistics Dr Olsson has handled many different types of case, including murder, suspicious death, terrorism, robbery, assault of all forms, fraud and forgery, harassment and stalking, bullying, defamation, drink driving, theft, burglary, taking vehicles without consent, dangerous and careless driving, and many other offences.

This work has involved studying the authorship of anonymous letters, forged suicide notes, ransom demands, hate mail, the analysis of text messages, witness statements, and social media postings. In addition, Dr Olsson has also worked on the breaking of codes.

Dr Olsson has appeared in many different courts, from the Court of Appeal to Magistrates' Courts, many Crown Courts, and has also appeared in courts abroad, including in Singapore and Australia.

Dr Olsson is available for consultation on any linguistics matter. Please leave a message in the Contact Panel below. It will come straight to my email and I will respond as quickly as possible.

Court appearances

Approximately 70-80 appearances in a variety of courts, including Magistrates' Courts, Crown Court venues, the Central Criminal Court (Old Bailey), the Court of Appeal and courts outside the United Kingdom, including in Australia and Singapore; oral and written evidence tendered to a variety of tribunals.

Note: We do not undertake defamation work involving action against nonUK citizens which would be decided in a UK court.

Criminal cases

All types of offence from murder to terrorism including all types of assault, robbery, burglary, fraud, drugs and alcohol cases, witness collusion, the authorship of suicide notes, and many other other types of case.

Civil cases

Many different types of case from libel to breach of contract, civil fraud, forgery of wills, commercial plagiarism, adult influence in children's writing, employee harassment, interpretation of international statutes, copyright infringement and many others.

Court appearances

Approximately 70 appearances in a variety of courts, including Magistrates' Courts, Crown Court venues, the Central Criminal Court (Old Bailey), the Court of Appeal and courts outside the United Kingdom, including in Australia and Singapore; oral and written evidence tendered to a variety of tribunals.

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