Criminal riddle France: the head of the family completely disappeared, his wife and four children are killed from his weapon

Six days later in a hole under a house terrace in Nantes bodies of the wife Dyupon Xavier de Ligon Anyes and bodies of four his children were found: Artur (21 years), Toma (18 years), Anna (16 years) and Benois (13 years). As examination established, all of them were "methodically" killed in a dream with shots in the head between April 3 and 5, 2011 from the weapon belonging Dyupon Xavier...