Intentionally destroying incriminating evidence is probably not something you should ever do. Certainly not in such a way that leaves evidence in the form of pulverized IC remains all over your kitchen counter.
Of course, IANAL, but that's how I'd do it if I ruled the world...
The modern equivalent is a whole bunch of destroyed media - thumb drives, flash cards or hard drives.
"Sir, we see from your blood sample that you have recently digested some silicon wafer..."