Khorosan group will strike U.S. 'very, very soon' warns FBI director as he admits 12 American ISIS fighters cannot be stopped from coming back home

Read more: http://www.dailymail.co.uk/news/article-2781730/Khorosan-group-strike-US-soon-warns-FBI-director-admits-American-ISIS-fighters-stopped-coming-home.html#ixzz3FMarkX2j  Follow us: @MailOnline on Twitter | DailyMail on Facebook