abu bakr al baghdadi
Assassinating Abu Bakr al-Baghdadi is a "top goal," suggests a new report in The Atlantic.
"Jihadism is a social structure, certainly, but above all it is an ideology. In this sense, the fight must target ideology."
WHAT'S HAPPENING
The Caliphate is "doing well" despite Russian and U.S.-led coalition airstrikes, he says.
A selection of some of the best work from years of coverage on the Islamic State group.
Eight other senior figures in ISIS were reported killed.
An interview with expert Will McCants.
Fadhil Ahmad al-Hayali was reportedly responsible for moving large amounts of weapons and people between Iraq and Syria.