[PA Engineer]

Who were the primary named sources to support the thesis of the article? You answered with an opinion and a claim. Surely they had sources in this article.

[CondoleezzaProtege]

Kim Hack-yong, a South Korean lawmaker who was at the helm of the legislature’s defense committee until his term ended a few weeks ago, told The Wall Street Journal on Friday. Kim cited intelligence reports he's viewed to support the claim.