[AndrewC]

Doesn't sound like something he'd have been trained to do. Why would he do it?

Have you ever shot on a firing range?

Don't be silly. Unknowingly changing things may be destroying evidence, but those things may not be evidence until they are involved in a legal process.

[Toddsterpatriot]

Have you ever shot on a firing range?

He forgot where he was?

Unknowingly changing things may be destroying evidence, but those things may not be evidence until they are involved in a legal process.

Destroy the evidence, quick, before the shooting becomes part of a legal process? Is that part of his training? I wonder, if every police force in the country used that philosophy would that be fine with you?