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When Critical Decisions Depend on the Truth

Forensic Statement Linguistic Analysis (FSLA™) and credibility assessment

grounded in scientific methodology and objective evidence.

TRUSTED BY

LEGAL PROFESSIONALS
INVESTIGATORS
ORGANISATIONS
PRIVATE CLIENTS
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WHO WE HELP

Trusted across legal, Investigative and Professional Contexts

When the credibility of a statement influences important decisions, assumptions are not enough. DDL produces independent Forensic Statement Linguistic Analysis (FSLA) evidence to help clients evaluate information through a structured, evidence-based approach.

Whether the matter involves legal proceedings, workplace concerns, investigations, allegations, disputes or personal matters, our analysis is designed to bring greater clarity to complex situations.

INDEPENDENT / EVIDENCE - LED / METHODICAL
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01

Legal Professionals

Support litigation, dispute resolution, case preparation and evidential review with detailed forensic analysis of statements and written accounts.

02

Investigators

Assess the credibility and consistency of statements using a structured methodology that examines linguistic patterns, content and evidential alignment.

03

Organisations

Obtain objective analysis in matters involving workplace investigations, misconduct allegations, compliance concerns, grievances and internal disputes.

04

Private Clients

Gain an independent assessment of statements, allegations or conflicting accounts when clarity

and informed decision-making are essential.

“Clarity is not a matter of opinion,
but of analysis.”

Deception

Detection Lab

ABOUT
 

FSLA™ Forensic Statement Linguistic Analysis provides forensic linguistic intelligence to assess credibility, identify risk and support high-stakes decision-making.

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At DDL we developed FSLA™ (Forensic Statement & Linguistic Analysis) to help businesses, legal professionals, insurers, healthcare providers and investigators assess reliability, identify risk and make evidence-based decisions.

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Bath University Internships

Paid Internship programmes for Students

International Association of Forensic & Legal Linguistics

International Investigative Interviewing Research Group

Memberships

FSLA?

'Forensic Statement & Linguistic Analysis (FSLA) is our umbrella term to describe the scientific examination of written or spoken communication to uncover meaning, intent, credibility, authorship & risk in high‑stakes situations.' DDL

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We combined the widely researched and trusted principles of Linguistic Analysis with Forensic Statement Analysis because together the methodology works to save clients time & money.  

99+

STATEMENTS

ANALYSED

100+

BLOGS/ARTICLES

DEMONSTRATING FSLA 

10+

TRUSTED ANALYISTS

WORLDWIDE 

5+

 CONSULTANTS/SPECIAL ADVISORS

WHAT WE DO

We provide tailored Consultancy and Training to our Clients using this FSLA methodology.

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Whether you need to evaluate an earnings call, a disputed internal statement, a safeguarding disclosure, a subject interview, or an executive communication, our analysts deliver forensic‑grade insight with precision and confidentiality.

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BUSINESS

Corporates & PLCs, Risk & Compliance Teams & Human Resources Departments

   LEGAL

Solicitors & Magistrates, Police, FBI,

Witnesses, Interviews & more

FINANCE 

Banking, Investments, Commentators, Earnings Calls and more 

 OTHERS

Safeguarding, Fraud Analysis - Romance Fraud, Internal Investigations, Private Clients

CLIENTS

We collaborate with anyone looking to improve their credibility assessment, risk identification, and decision-making support, leading to more assured and trustworthy results. Our team has experience working with clients across various sectors. 

TEAM

All of our Experts are trained in Forensic Statement Linguistic Analysis (FSLA) providing expert testimony and high-stakes risk assessment for law enforcement and legal counsel through advanced, peer-reviewed linguistic analysis.

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COLLABORATORS

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We are privileged to work alongside an incredible team of dedicated professionals. Their expertise and passion for excellence inspire us every day. Feedback from our partners and clients has been overwhelmingly positive, highlighting our collaborative spirit and commitment to delivering results. We truly value these relationships and look forward to achieving even greater success together.

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