society and then be triggered by a conflict that may happen two years from now to get back into action. eric: the u.n. is calling on governments to improve tracking of returnees including strengthening passenger information and using biometric data systems to keep tabs on the fighters when they return home. >> the u.s. is protected on both sides by oceans. europe is far more vulnerable, but that doesn't mean that the united states is completely immune. eric: u.n. officials say even though the smallest number of foreign fighters come from the u.s. and canada, that does not mean the threat here is less. the numbers can give americans some comfort, but no protection. at the united nations, i'm eric shawn, fox news. kelly: eric, thank you. the justice department watchdog releases an explosive report that led to the firing of deputy fbi director andrew deputy fbi director andrew mccabe the details and