Court Admissibility and Expert Challenge
What the bench and defence experts actually examine: continuous isolation, documented seal integrity and methodology compliance.
Quick Answer
UK courts rely on the ACPO Good Practice Guide and FSR Codes of Practice to assess whether digital evidence is reliable. Departures from documented procedure must be justified contemporaneously, not in retrospect.
The Standard the Court Applies
UK courts rely on the ACPO Good Practice Guide and FSR Codes of Practice to assess whether digital evidence is reliable. Departures from documented procedure must be justified contemporaneously, not in retrospect.
Common Defence Lines of Attack
Expect challenges on: gaps in custody, broken or replaced seals, undocumented power events, bag rated below the device's transmit bands, and absence of validation evidence for the shielding kit itself.
Documenting Continuous Isolation
Continuous isolation is proved by paper trail: seal number unchanged from seizure to examination, photographs at handover, log entries timestamped to the minute.
Building a Defensible Process
A defensible process bakes the controls in: standard-issue bags rated and validated against published methods, mandatory seal logging at every transfer, training records for officers handling devices.
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