18 December : Fadhil Ahmad al - Hayali alias Haji Mutazz was wrongly reported dead at that time by a senior U.S. military official .
Fadhil Ahmad al - Hayali alias Haji Mutazz is the deputy in Irak of ISIS leader al - Baghdadi .
18 December : Fadhil Ahmad al - Hayali alias Haji Mutazz , the deputy in Irak of ISIS leader al - Baghdadi , was wrongly reported dead at that time by a senior U.S. military official .