 Complete the following phrase:  According to a June 2015 Reuters report that cited jihadist ideologues as a source, 90 of ISILs fighters in Iraq were Iraqi, and 70 of its fighters in Syria were Syrian. The article stated that the group had 40,000 fighters and 60,000 supporters across its two primary strongholds in Iraq and Syria. According to scholar Fawaz Gerges writing in ISIS: A History, some 30 percent of the senior figures in ISILs military command were former army and police officers from the disbanded Iraqi security forces, turned towards Sunni Islamism and drawn to ISIL by the US de-Baathification policy following the 