"the determination of their legal guilt was irrelevant and that it was best to murder suspects on the basis of suspicion?"

Did he say that? Well there's an interesting notion. Looking forward to the reaction on the day when a team of Iraqui troops swoop in unannounced and summarily dispatch of Bush & Blair for their war crimes in a similarly hassle-free fashion.

The pithy last word by Iannucci recounting the US statement is worth reprising:
"The world is a safer place now that Osama Bin Laden is dead,
and we must fully expect a terrorist attack."