Seven French family members killed in France . Westerners are mistaken for militants , criminal groups . Nigeria is leading a group of West African countries supporting the French mission in Nigeria , further straining its ability to deal with Islamic extremism at home . Militants groups Boko Haram , Ansaru movement in northern Nigeria .
Seven French family members killed in France . Westerners are mistaken for militants , criminal groups . Militants groups Boko Haram , Ansaru movement in northern Nigeria .