Should he be executed? Watch
^^ not a fan of torture myself, just thought they could have extracted more information out of him that way, he'd be begging for a death sentence then.
Why should it make a blind bit of difference if someone is a Muslim or not?
The word is "common denominator", but just because you share something with someone doesn't mean you automatically defend them. I'm not a great fan of, say, Ian Paisley, even though I share a fair few characteristics with him.
More to the point, arguing against killing someone on principle is miles away from supporting their views/methods/whatever.