About Us
Who we are
Specialist Investigations is run by Mark Williams-Thomas a high-profile, former detective, and Martin Kayes, a highly experienced cyber crime specialist.
Between them, they have been involved in countless investigations both domestically and abroad and have been instructed in some of the country’s most complex investigations.
Their combined experience enables them to utilise and draw upon the support of a highly specialist team of investigators some of which are leaders in their field.
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Meet the team
Mark is a former police detective and a criminologist who has far-reaching experience of working at the centre of high-profile investigations and undertaking major reviews.
He is a multi award winning investigative journalist and broadcaster and has amongst his awards two Royal Television Society Awards, a Broadcasting Press Guild Award and an International Peabody Award. He is also BAFTA nominated.
Mark has over the last decade reported on nearly all of the biggest crime stories including: Oscar Pistorius, Jay Slater, The Alps murders, Tia Sharp's murder, Claudia Lawrence's murder, the murder of Alice Gross and the disappearance of Madeleine McCann.
One of Mark's greatest skills is his ability to get exclusive access and interviews with key people related to the cases.
Alongside Mark’s television and media work he also runs a number of high-profile investigations which attract no media attention. His level of confidentiality and trust he builds is what enables him to undertake so successfully the work that he takes on.
Martin is a highly experienced investigator who originally comes from a cyber security, cybercrime and OSINT background and who, over the years, has become proficient in analysing forensic evidence and working on complex criminal investigations.
He holds the industry-leading accreditation of Certified Information Systems Security Professional (CISSP) as well as being a qualified NCSC Cyber Essentials Assessor.
Martin is a dark web and cybercrime subject matter expert who also specialises in all things technical, including romance fraud, tracing crypto currency transactions and the detailed analysis of evidence in all types of fraud and criminal cases, as well as being highly skilled in locating missing persons.