You really want such devices - i.e. Devices with duress modes - to act normally, as much as possible when in those modes. If they clearly destroy themselves imm

You really want such devices - i.e. Devices with duress modes - to act normally, as much as possible when in those modes. If they clearly destroy themselves immediately you often place yourself in much greater danger. If anything log them into a sandbox or honeypot that is, as much as possible, indistinguishable from your normal environment but is less damaging for you for them to access.