for the isis ideology in the united states compared to what you're seeing in europe. >> peter bergen co authored "isis in the west: the new faces of extremism" those recruited in america are young and active online. but there is no single geographic or ethnic profile. >> this is a classic propaganda video. the message here is that, you know, you can come to isis hell territory. you can bring your kids and have a normal life and it's paradise. here is an isis fighter, smiling and swinging his kids. >> reporter: express an interest, and step two, isis recruiters begin to chat online with their potential recruit. enticing him or her. >> a 23-year-old female potential isis recruit was online with sympathizers, followers, fan boys. they sent her chocolates. they sent her religious books. >> step three moves the recruit to encrypted communications. by step four the recruit is committed and isis begins to provide operational advice including this travel guide. >> it's what you should pack. a checklist of pills, band aids, particular backpacks to bring.