Extremists from Iraq...Al Quaeda linked. The main rebel group in Syria is Al Quaeda aligned and America and Israel are falling over themselves to arm and back Al Quaeda. This will blow up in your faces....watch what happens when Assad gets toppled. At some point they will infiltrate into Israel.
Suspected Islamist militants attack Mali UN base, several dead (Reuters)
from the article: U.S. Congress committee endorses $488 million aid to Israel