Transcript for Archival Video: A Look Behind North Korea's Motives for Nuclear Proliferation
It may be the most paranoid regime on earth. North Korea's fear appears to be directed both outwards and in where it's. First Kim Jong-Il is afraid his regime could be destroyed from the outside principally by the US. People who watch North Korea say its leaders are convinced Saddam Hussein's government fell to the US because it didn't have a nuclear bomb. They have watched the countries that the United States is gone after. We have never gone after a country would any kind of develop nuclear capacity. The second fear his internal. Kim who is 67 is ailing after a stroke last all of us and wants to choose his own successor. To do that he needs the support of the powerful military and pushing a nuclear program is a way of guaranteeing their loyalty. This week's test Kim is trying to make the rest of the world fear his regime and given the respect accorded to nuclear powers. Although his government denies that and public. They're annoying getting attention. Defend its. Whatever their intentions and North Korea now poses a challenge the US cannot ignore. Terry McCarthy ABC news so.
This transcript has been automatically generated and may not be 100% accurate.