"1938-04-27Z"^^ . "German spree killer" . "Ernst August Wagner (September 22, 1874 \u2013 April 27, 1938) was a German mass murderer who, on September 4, 1913 killed his wife and four children in Degerloch."@en . "1938Z"^^ . . "1874-09-22Z"^^ . . "Wagner, Ernst August"@en . . . "1874Z"^^ . .