Sauce of letter content? I found one news article [1] that says "Police and Riken said Sasai left what appeared to be suicide notes, but refused to disclose the

Sauce of letter content? I found one news article [1] that says "Police and Riken said Sasai left what appeared to be suicide notes, but refused to disclose their contents." [1] http://www.dailymail.co.uk/news/article-2716540/Japanese-scientist-stem-cell-research-retracted-proved-false-commits-suicide.html http://www.dailymail.co.uk/news/article-2716540/Japanese-sci...