A bit dated (Dec. 2015) analysis of the United Nations vetting process and a detailed explanation of the step by step process along with the length of time it takes the numerous agencies involved, various procedures and how restrictive the US refugees admission process is compared to the requests especially when it comes to Syrian refugees.
And from the Heritage Foundation no less.
Here’s the rub, the author concludes by referencing the San Bernardino Attack and noting the such an event means that the US needs to be extra cautious.
Problem? The author’s conclusion is thoroughly suspect. Why?
Well, Raheel Farook was not from Syria and not a refugee and actually served in the U.S. Navy in the Iraq War from 2003 to 2007, and was awarded two medals for service during the War on Terror. He was described by friends and neighbors as sociable and extroverted compared with his brother Rizwan. In 2011, he married Tatiana, a Russian citizen who immigrated to the U.S. in 2003 from her home village of Vysokiy, located 400 miles (640 km) from Moscow. (from a Wikipedia article and footnoted sources)