Sun May 18, 12:59 PM ET

This photograph by the U.S. Army, provided by the U.S. National Archives in College Park, Md., on Monday, May 5, 2008, is one of a series of declassified images depicting the summary execution of South Korean political prisoners by the South Korean military and police at Daejeon, South Korea, over several days in July 1950. The Truth and Reconciliation Commission of Korea is investigating this and similar mass killings in South Korea in 1950-51. A chief investigator estimates up to 7,000 were killed at Daejeon, and tens of thousands elsewhere.

(AP Photo/National Archives, U.S. Army)

Fear, secrecy kept 1950 Korea mass killings hidden

One journalist's bid to report mass murder in South Korea in 1950 was blocked by his British publisher. Another correspondent was denounced as a possibly treasonous fabricator when he did report it. In South Korea, down the generations, fear silenced those who knew.

Fifty-eight years ago, at the outbreak of the Korean War, South Korean authorities secretively executed, usually without legal process, tens of thousands of southern leftists and others rightly or wrongly identified as sympathizers. Today a government Truth and Reconciliation Commission is working to dig up the facts, and the remains of victims.

How could such a bloodbath have been hidden from history?

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