Sarkozy wrote Monday to Israeli Prime Minister Benjamin Netanyahu to express his condolences for the loss of the victims , three of whom -- the teacher and his sons -- held dual Israeli-French citizenship . Witnesses describe the gunman as slim , tall , as Francois Martin says . All the victims were shot in the head from point - blank range , the minister says . Interior Minister Bernard Gueant says authorities looking at possible neo - Nazi involvement . The gunman who killed 4 at a Jewish school was wearing a mask , the minister says .
Witnesses describe the gunman as slim , tall , as Francois Martin says . All the victims were shot in the head from point - blank range , the minister says . Interior Minister Bernard Gueant says authorities looking at possible neo - Nazi involvement . The gunman who killed 4 at a Jewish school was wearing a mask , the minister says .