Tue, 06 Dec 2011 09:00:02 +0100 (Reuters) - Tatsuo Kainaka (C), the head of the panel investigating Olympus Corp and other panel members attend a news conference in Tokyo December 6, 2011. An independent panel issued a damning report into the $1.7 billion accounting scandal at Japan's Olympus Corp, urging legal action against executives behind the cover-up and the replacement of others who knew about it. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: CRIME LAW BUSINESS)