take no prisoners.
Unless you want them beating you in court 6 months from now.
no kidding. hi-freaking-5
Would the Brits hand them over to the US, or would they hand them over to the Afghan government? If it's the latter, there's no guarantee that they'd get a trial, or even be kept in custody, for that matter.
Now that I think of it, yeah, it would be better to kill them on the battlefield.