Forensic analysis | Image Interpretation | Expert Witness for the legal profession
Throughout Porirua

Forensic analysis | Image Interpretation | Expert Witness for the legal profession
Throughout New Zealand

Expert image interpretation gives you a clearer picture of events


  • Complete objectivity and discretion while investigating your case
  • Expert in the field with years of experience, including photography darkrooms and colour labs
  • A comprehensive overview will help better determine the sequence of events
If you need an image interpretation specialist, David Horsburgh works nationwide.

Detecting photo manipulation and discovering facts that could alter the outcome of your case


Interpreting videos and photos requires technical expertise, analytical skills and attention to detail. Armed with these skills, David's image interpretation examination process aims to extract relevant information, establish facts, detect photo manipulation, and provide valuable insights that can contribute to your investigation. Footage can be misconstrued or manipulated, distorting what we see and affecting conclusions. His  job is to see past that and disclose what images tell us.

Often in court, it is like a debate, and who wins depends on the strength of your credibility, analysis and sound reasoning. David has been involved in high-profile cases,  and the evidence provided has been accepted by the District Court and the High Court.  David's work sees him travel around New Zealand. In addition to image interpretation, his video forensic services include forensic analysis of CCTV and video footage as well as still photographs. David has also spent years assisting the courts by providing expert testimony as a certified forensic investigation professional

If you would like to discuss an upcoming case or private investigation, please get in touch today.
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Expert image interpretation gives you a clearer picture of events


  • Complete objectivity and discretion while investigating your case
  • Expert in the field with years of experience, including photography darkrooms and colour labs
  • A comprehensive overview will help better determine the sequence of events
If you need an image interpretation specialist, David Horsburgh works nationwide.

Accurately interpreting visual evidence is vital to finding out what truly happened


Forensic CCTV, video analysis and image interpretation are closely linked and are the backbone of David's process. As a trained investigator, he reviews the visual evidence objectively to answer the event's questions - who, what, why, when, and how - determining what the images tell us. 

Image interpretation includes the following;
  • Detect anomalies, including photo manipulation, alterations, and editing.
  • Verify authenticity by proving or disproving that visual evidence is genuine.
  • Event analysis uses tracking markers to establish a role of an individual (or vehicle) across a series of events.
  • Unique identifiers include fingerprints, physical markers, and detailed descriptions.
  • Behaviour analysis involves analysing the behaviour and movement patterns of those caught on camera.
  • Scene understanding involves scene examination, context, and reconstruction.
  • Legal and ethical considerations to ensure footage is deemed admissible or inadmissible in court.

  • In an investigation, everything must hold up under cross-examination. Your conclusions must be credible and based on reliable evidence you believe to be true. Twenty years in the NZ Police Service and five in the NZ Security Intelligence Service has equipped David to analyse and interpret all visual mediums accurately. His expert testimony is a matter of record. If you need an expert with image interpretation skills, call David today.
    Forensic analysis | Image Interpretation | Expert Witness for the legal profession
    Throughout New Zealand