An extraction that defends itself in court

The expert report gets challenged over procedure

On a running system, bit-by-bit cloning isn't possible — opposing counsel attacks how the evidence was obtained, not just what it says.

Documenting by hand costs time you don't have on site

Screenshots, hashes computed separately, notes on a pad — easy to challenge, easy to lose.

The client or the court needs to check it without relying on you

Without an independent verification path, your word is the only guarantee that nothing was altered.