The man who livestreamed his attack on Facebook has been named as Brenton Tarrant, a white, 28-year-old Australian-born man from New South Wales.
If you’re ever caught in the midst of an attack it’s worth knowing a few pointers that may just help yourself and those around you.
So what hard-hitting questions does one ask when trying to recruit people to sacrifice themselves as martyrs? Yep, al Qaeda isn’t mucking about.
Behead people on video, talk in a British accent, taunt your audience, this guy certainly knew how to paint a target on his back. Now it seems he has been found out.
Keep yourself up to date and in the know. A quick explanation of ISIS so that you can sound intelligent at the dinner table.