BROWN: Belgium's face of ISIS a man suspected in beheading and crucifixions in Syria was once a normal Belgian kid, according to his family. But he now praises the Brussels bombings and in showing video, it seem threatening more attacks on the west. His name is</s>MICHAEL HOLMES, CNN CORRESPONDENT: Yes. You know, Pamela, in an organization that revels in barbarity, there would be few people with more blood on their hands than the</s>MOHAMED AMAN CHAB, BROTHER OF BELGIAN ISIS FIGHTER (through translator): Someone who couldn't hurt a fly and went through life laughing. Just disbelief and still family doesn't believe this could happen.</s>HOLMES: What good memories do you all of this? What are your memory of him as a young man, as a child?</s>CHAB (through translator): One of the member is an older brother who is always there, that's what I remember. If I had trouble, he was there.</s>HOLMES: He comes from a family of 13, in all. His parents and 11 kids. And you know, initially he was raised in a normal childhood. He had moderate Muslim parents and then met radicals, they turned him to a form of Islam. He was not raised in, I mean, what his brother called cut and paste Islam. And in 2013 disappeared to Syria. And that's when the killing began. And he has appeared in numerous videos killing people -- Pamela.</s>BROWN: Very disturbing. But important to learn about how these people get sucked in to the terrorist group. Michael Holmes, thank you for that report. I'm Pamela Brown filling in for Brooke. "The LEAD" with Jake Tapper starts right now.</s>JAKE TAPPER, CNN CHIEF WASHINGTON CORRESPONDENT: Thanks, Pamela. An arrest and new video of that grab, the one that Trump campaign says never would have happened. "The LEAD" starts right now.
Exclusive Interview of a Man Whose Brothers Joined ISIS