Abdel Fattah el-Sisi , one of Egypt 's most violent militant groups , has pledged allegiance to ISIS . Opening the public sphere for competing viewpoints , he argued , would help curb terrorism . ABM has killed at least 31 of Muslims police officers and soldiers in recent years . ABM attacked an army camp in Egypt in recent years , killing at least 31 Egyptian soldiers .
Abdel Fattah el-Sisi , one of Egypt 's most violent militant groups , has pledged allegiance to ISIS . ABM has killed at least 31 of Muslims police officers and soldiers in recent years . ABM attacked an army camp in Egypt in recent years , killing at least 31 Egyptian soldiers .