How to preserve and use as evidence photos,emails, files, documents, CCTV images,
spreadsheets, databases, web-pages, websites, SMS texts, instant messages, social
medial posts and chats, VOIP calls, PCs, laptops, smartphones, tablets, data in the
cloud and more
Understand legal principles and law enforcement techniques in the digital world;
Digital Forensics Principles
Please note most of the informal advice I can give is in the book. I only accept
instructions to act as an expert via lawyers; as an expert witness my over-riding
duty is to the court and that means I cannot simultaneously advise litigants in person.
I am happy to receive comments about the book - suggested corrections, ideas for
My lecturing and conference appearances are usually on a commercial basis unless
there is an obvious “public good”.
Email is the preferred contact method:
DEH (at) pmsommer.com
(substitute @ for at - this is a anti-spamming device)