>> kalin: yes, exactly. >> kroft: what about crooks? >> kalin: yes.es all the way down to crooks, yeah, absolutely. and it tended for some time to attract quite a few people that i would never let into the country, but i'm not the government of st. kitts and nevis. >> kroft: but you set up their program. >> kalin: we helped to set up the program. but, you know, as it is, advisors advise, ministers decide. >> kroft: the island nation drew the ire of the u.s. treasury department two years ago after three suspected iranian operatives were caught using their st. kitts passports to launder money for banks in tehran in violation of u.s. sanctions. it also had to recall more than 5,000 passports because they either didn't include a place of birth or were issued to people who had changed their names. since then, a number of reforms have been made, but questions remain. >> peter vincent: they're not transparent programs. there are not safeguards in place. >> kroft: until 2014, peter vincent was the top legal advisor for u.s. immigration and customs enforcement

we traveled from lat via to kalin grad, a rush hand enclave in europe that's cut off from main russiatimes, this was a heavy militarized place, closed off in the outside world. it was recently thrust back into the spotlight after russia deployed nuclear capable missiles here. russia's top diplomat defended the move arguing it's the u.s. that's threatening russia. >> it's our territory but the plans of the united states, not only to -- well they quadruple they think the money allocated to support military deployment in eastern europe, then they move infrastructure next to our borders. >> reporter: kalin grad is still the headquarters of the fleet and moscow has been flexing its own muscles. in 2013 governments punished russia with economic sanctions. they're contributed to a broader economic crisis in russia that's got everyone we talked to worry about the future. of course i feel bad when they always blame russia for everything that's gone wrong in the world. this confrontation he tells me is not good for anyone. rival militaries maneuvering along opposite sides of increasingly tense