No, he didn't stab people because he is a muslim, nor are all muslims terrorist. But he was imprisoned for being a radicalised Islamist terrorist, from his own admission he continued to be a radicalised muslim on release.
As the guy was a convicted Islamist terrorist it seems unlikely he came out of prison and put on a hoax suicide vest to stab people for the sheer pleasure of it.
Use my 5 litre plastic water bottles for experimenting, do a 23l kit but split 10l into two 5l plastics and try random stuff. Next two are grapefruit ipa and earl grey ipa.
Drill a 1"(25mm) hole in the lid and force a bung with airlock in. Works great.
Seems we are travelling similar paths, though I am a few months behind.
+1 for the 25w fish tank heater, excellent buy for such a modest price. Think I paid £9
Will try your dry hopping technique.
Cheers