My church has a lot of services for asylum and Convention Against Torture (CAT) refugee seekers. We've a lot of practice helping Chrisitians fleeing persecution from China. I've worked several cases pro bono. It would make sense that those Muslims try to get help from those who know how to help. I can understand why they would want to live in the US but I've seen a lot of false asylum and CAT claims from the Mid East.
Thank you all for your very informative replies. I do appreciate the time you all took to explain the principle of sanctuary of the church to me. My next question would be now how common is this in other countries or the country you all live in?