You are right Texas, here is the latest news about how much they can recruit:
No current intelligence Islamic State plotting attacks on U.S.: Homeland Security:
There is no current intelligence suggesting Islamic State militants are plotting attacks on the U.S., Homeland Security officials told Congress on Wednesday, but they acknowledged the dangers of a terrorist trying to sneak across a porous southern border or a lone wolf attack inspired by the insurgents' advances in Iraq and Syria. Ref. Source 7
British aid worker David Haines appears to have been executed by ISIS militants, according to a video posted to a website associated with the group, making him the third Western captive to be killed by the Islamist extremist group in recent weeks.
Haines, 44, was abducted in March 2013 near a refugee camp in Atmeh, Syria, while working to arrange for the delivery of humanitarian aid to people staying at the camp. Ref. CNN
ISIS war chest grows by an estimated $3M every day:
Islamic State militants, who once relied on wealthy Persian Gulf donors for money, have become a self-sustaining financial juggernaut, earning more than $3 million a day from oil smuggling, human trafficking, theft and extortion, according to U.S. Intelligence officials and private experts. Ref. Source 4
Islamic State captures 21 villages in northern Syria as Kurds issue a call to arms:
Islamic State fighters besieged a Kurdish city in northern Syria on Thursday after seizing 21 villages in a major assault, prompting a call to arms from Kurds in neighbouring Turkey, who urged followers to go and help resist the group's advance. Ref. Source 5