Twenty-two years ago, three union leaders for mine workers employed by an American company were killed. The murders have gone unsolved. But now the Colombian government is prosecuting two company executives for financing the paramilitary group responsible for the killings.

As the country prepares for a plebiscite on the peace process, both hope and anxiety abound.

As the country takes another step toward resolving its rebel insurgencies, its other problems are coming to the fore.

Viktor Bout and the Pentagon