Question: Which journalist born in 1986 was among the first international jounalists to visit the town of Chibok after schoolgirls were adbucted by a terrorist group whose name means "Group of the People of Sunnah for Preaching and Jihad"?
Sentence (from "Boko Haram"): The group was led by Abubakar Shekau until August 2016, when he was succeeded by Abu Musab al-Barnawi.
Relevant evidence: No