""Well, the UK does not have quite the same categories of unlawful killing as the USA so I'd have to do quite a bit of digging to form a view on that.""

Turning it on its head, would Zimmerman pass the test of "reasonable force" in an English court Richard?

Not that this would have any bearing on US proceedings, but it is an indicator of the strength of any defence of using a weapon against an unarmed man.

Don T.