Reconstruct how the account was created and changed
These offences turn on a defined procedural duty, the exact statement or item, knowledge or intent, and a preserved comparison of every version, warning, contact and alteration.
Differences between statements may arise from error, interpretation, memory, fear, new information or fabrication. Preserve each version, the questions asked, surrounding communications and independent records before contacting any witness.
Compare source, sequence, corroboration and influence
01
Identify the participant's exact procedural status and duty
02
Preserve every version of the statement or material
03
Distinguish mistake, inconsistency, privilege and lawful correction from intentional wrongdoing
04
Prevent contact that could be characterised as witness influence