Tukwiuci mafi tsoka shi ne na dala miliyan bakwai da kasar ta Amurka ta ce za ta baiwa duk wanda ya taimaka wajen gano Imam Abubakar Shekau, shugaban kungiyar Jama'atu Ahlis Sunnah Lida'awati wal jihad wadda aka fi sani da Boko Haram.
