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Guy Morton, The Perrin Murder Case (1934)

July 14

女子被刀扎死在钢琴旁,现场椅垫被刀划花,并有烟头痕迹,门窗自内紧锁。

诡计
凶手在钢琴的琴弦上设置机关,一旦按下某一个键,就会从空气枪射出刀子。凶手将椅垫划花,并留下烟头痕迹,是为了制造凶手在现场的假象。他当时在别的地方,获得不在场证明。
 

Posted by on July 14, 2010 in Uncategorized

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