jiro has recruited a network of ordinary north koreans living in towns across the country. they risk their lives to get the footage. one of his contacts is a state employee, but has been smuggling footage out for five years. he agreed to speak if his identity was concealed. >> (translated): this is dangerous, and if i get caught, i know i'd immediately be executed as a traitor to the korean people. but i've got to do this. i've got to do this no matter what. i'm just one person. even if i have to sacrifice my life, someday, something is going to change. >> narrator: the famine which killed more than a million north koreans in the 1990s has ended. but the united nations says the country is still vulnerable to food shortages, and more than three quarters of the population don't have enough food to eat. >> narrator: over the past three years, jiro's undercover network has filmed orphaned street kids gathering in the markets begging for money and on the lookout for scraps of food. for the safety of the people filming, he disguises their voices. >> narrator: very few of these or