In Kingsman, in that church scene, at what point did... *SPOILERS*

[Lawlight]

Zekkyou said:

It was fairly obvious something was affecting him the moment he shot that woman. Not just because we knew Valentine had started the test, but because it went against everything his character stood for (which i expect was the point). Once we saw everyone in the church start going ape-shit, coupled with the reports Merlin had spoken about towards the start, the specifics of the situation became pretty clear.

That part really blew me away though. I had a vague idea of what i was getting myself into when i went to see it, but i wasn't expecting an ultra-violent massacre followed by Valentine shooting Harry in the head. The film had some serious balls.

Walk me through your thought process though. I was shocked the moment he shot her in the head because I thought he shot her because she was shouting at him and it was so out of character.

I am just baffled that someone managed to figure out that he was being mind-controlled straightaway. Especially when the SIM cards could have done any number of things like explode or whatever.