People attend a gathering organised by the CRIF Jewish organisation in memory of Mireille Knoll in Paris...
People including French activist and Nazi hunter, Serge Klarsfeld and his wife Nazi hunter, Beate Klarsfeld, attend a gathering, organised by the CRIF, in memory of Mireille Knoll, in Paris, France, March 28, 2018. Mireille Knoll, 85, was found dead with 11 stab wounds at her apartment in a working-class district of Paris on Friday. The apartment was set ablaze after the attack and her body badly burnt. Police suspect that Knoll's Jewish religion was a motive for the killing. REUTERS/Gonzalo Fuentes