These people are not ISIS-level, at least not yet.
But they would, if they could.
"The Bible says it, it's the word of GAWD!"
"How do you know it's the word of God?"
"Says so in the Bible!"
#1688: Stephen Che Halbrook
Well, Matthew Hagee may be an utterly deranged loon, but for frothing, sadistic bloodthirst and evil he probably doesnt hold a candle to Stephen Che Halbrook. Halbrook runs something called the Theonomy Resources and is a teacher at The New Geneva Christian Leadership Academy, a college-level school endorsed by people like Gary DeMar, Ray Moore of Frontline Ministries and the Exodus Mandate, and Mark we must base our laws on faith, not reason Rushdoony, the vile spawn of R. J. Rushdoony himself. Halbrook is the author of a 2011 book called God is Just: A Defense of the Old Testament Civil Laws (oh, yes, precisely), which is apparently an extension of a Masters thesis presented at Regent University (which is, of course, a university, not a university) in 2008. The book, which is hardcore even by dominionist standards, promotes the idea that government should use the Old Testament moral code as its basis for civil law, including the death penalty for blasphemy, idolatry, sabbath-breaking, disobedient children, adulterers and gays. Apparently having capital punishment for violators of biblical law benefits society, as Halbrook sees it, but his understanding of the word benefits seems to be unidiomatic.
http://americanloons.blogspot.ca/2016/07/1688-stephen-che-halbrook.html