And now they have got the most modern US weaponry. In February, some 5,000 members of the FSA (Free Syrian Army), who were armed to tooth and nail with the NATO-provided weapons simply defected to the ISIS. NATO should stop arming the ISIS (both directly and indirectly) and realize that ISIS is much more evil than Assad.
I was actually shocked to see that so many people join them. Its possible to see a couple of people with such belief but I get shocked that the people joining them have no logical basis , and do not even realize the cause.