Investigators have found no concrete link between the attacker and ISIS
Terrorism expert warns that the Nice truck attacker answered a call to hit civilian targets
The country’s controversial new constitution bans converting someone to another faith
Violence comes amid ongoing religious tension rippling across the country
Attacker expressed support for Islamic State
Prosecutors begin questioning military leaders involved in the attempted coup
Amnesty International reports abuse of Boko Haram suspects
Authorities are treating the incident as terrorism
Surreptitious attempts to buy weapons technology raise questions about the deal’s effectiveness
Two Americans and citizens of several European countries among the dead
