. >> next i went to speak to the prince turki al faisal. he says he has roots here but it is an aberration. they say where do they come fr from. the rest of the body is healthy, so it does some of the actions that can be pointed to being similar to what we do but they judicial system, sharia law and we will not give that up for anything. the trouble is the kind of a justice practiced can appearrom indistinguishable as practiced. saudi arabia is on the left and isis on the right. >> if you wouldn't mind putting a bottle context to what we just heard. >> they have a long relationsh relationship. we know about the dependence fos many decades. there's also been a lot of arms sales so the relationship has been very tight. on the other hand, saudi arabia is the birthplace of strict interpretation of islam and it is the branch from which it springs so you find in saudi arabia and other gulf states where the practices are entrenched in both society. it's not to say although now we are seeing documents that indicate support it's always been well kno

. >> smith: next, i went to speak to former intelligence chief prince turki al faisal. he admits that isis has roots here, but says it's an aberration. >> isis is a cancerous growth. cancer cells, where do they come from? they come from healthy cells in the body. but the rest of the body is healthy. and so yes, isis does some of the actions that can be pointed to as being similar to what we do, but we have a judicial system. >> smith: sharia law. >> sharia law. and we are not going to give that up for anything. >> (man shouting) >> smith: the trouble is that the kind of justice often practiced here in saudi arabia can appear indistinguishable from sharia justice as practiced by isis. saudi arabia is on the left, isis on the right. >> isis is sort of the uber-wahhabi, if you will. they're taking the most pared-down and boiled-down essence of the wahhabi sect and taking it and owning it. >> smith: i've been to saudi arabia, i've talked to saudi officials. they say that they don't subscribe to this kind of extremism that isis represents. and they refuse to take any respons