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Computer Evidence


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Michael J L Turner has acted as an expert witness on computer data used as evidence since 1988 - throughout the rapid development of Best Practice in computer forensics.

Historic Case Reviews

Historic Case Review (Appeal, Independent Review, Public Inquiry) services:
  • Verification of the integrity of handling computer evidence
  • Verification of the findings of previous forensic investigations
  • Distinguishing between fact, speculation, assumption, inference and expert opinion in the interpretation and evaluation of computer evidence
  • Assessment of previous computer forensic investigations in the light of developments in computer forensic Best Practice - accepted, novel or junk science?
  • Assessing the Certainty of computer evidence
  • Validity of retrospective evidence produced using modern forensic techniques
  • Preparation of Expert's Requests for Information and Disclosure

Expert Determination

Expert determination of disputes about computer evidence, for example:

  • Questioned Digital Documents - authenticity, integrity, chronology of amendments, authorship
  • Contested Expert evidence - interpretation and evaluation of digital evidence
  • Software Copyright infringement - literal copying of software development material including source code

Independent expert assessor

Acting as an Independent expert assessor (Independent Review, Public Inquiry).

Legal Aid work

Undertakes work funded by Legal Aid Agency including Very High Cost cases (VHCC)

Pro Bono work

Prepared to advise pro bono where the misuse of computer evidence may have resulted in a miscarriage of justice.

Instructing Solicitors and Organisations

Instructed as an expert witness in well over 200 cases including by:

Addleshaw Goddard DAC Beachcroft Linklaters
Ashurst Department for Education Mackrell Turner Garrett
Baker & McKenzie DLA Piper Newcastle City Council
Berrymans Lace Mawer Duane Morris Osborne Clarke
Bindmans Geldards Pinsent Masons
Bird & Bird Fieldfisher Powell Gilbert LLP
Brabners Freshfields Bruckhaus Deringer Russell Jones & Walker
Brett Wilson Hogan Lovells Saunders Law
Cartwright King Imran Khan & Partners Shoosmiths
Clifford Chance Irwin Mitchell Slaughter and May
Crown Prosecution Service (CPS) Kennedys Treasury Solicitor



Michael Turner

The Academy of Experts: Michael J L Turner

Expert Witness Institute: Michael J L Turner

UK Register of Expert Witnesses


Copyright Michael J L Turner 2006 - 2019