Silent march to mark the first anniversary of the murders of the five Dupont De Ligonnes family members killed in their home in Nantes.

FRANCE, NANTES - APRIL 14, 2012 : People take part in a silent march to mark the first anniversary of the murders of the five Dupont De Ligonnes family members killed in their home in Nantes, on April 14, 2012, in Nantes, western France. The bodies of the mother Agnes Dupont de Ligonnes and her four children Arthur, Thomas, Anne and Benoit aged 13 to 20 years had been found in the garden of their Nantes family house on April 21, 2011. The father, Xavier Dupont de Ligonnes, is the prime suspect of the quintuple murder but he has not been found to date despite an international search alert issued by French authorities. The march started from the city center of Nantes to reach the house of the tragedy. Flowers and messages were placed before the house. Flowers and messages at the enter of the Dupont De Ligonnes family's house. (Photo by Alain DENANTES/Gamma-Rapho via Getty Images)