CNN CNN Newsroom Live November 22, 2015 05:48:00
>> they're murdering people, persecuting them for religious beliefs. just appalling. something has to be done and they have to be stopped. >> reporter: ghost security members say they're a global mix of ex-military and i.t. specialists. so what makes them different from anonymous? they share their intel with the u.s. government. they funnel potential threats and information on isis operatives through one man. intelligence adviser michael smith, who then passes the info on to u.s. law enforcement officials. >> they use me to present information to federal authorities here in the united states. ...