>> in the last month they have ties to isis. >> right now the u.s. is seeing a surge in syrian refugees and asylum to the country's civil war there. there are growing concerns of whether they can vet and track them. what can you tell us about what? >> according to the state department nearly 900 syrian refugees have been reset elled in the u.s. this year alone. normally that number is under 30. we have seen a huge increase since the start of the syrian civil war. the home land subcommittee says a vast majority do not have ties to terror groups. there's a number of concerns especially since they continue to grow. >> new details in it the prison break that mark the 3 week multi state manhunt.