http://www.washingtontimes.com/news/2015/feb/24/islamist-terror-groups-target-minnesota-somali-ref/
http://www.cnn.com/2016/09/18/us/minnesota-mall-stabbing/
You might get lucky with your guests Ras, it's probably only a 3 - 5% chance.
I only hope you don't have any women at your house, because the chance of rape is far, far higher.
It's not like you'll protect them.