With the death of American citizen Douglas McAuthur McCain, many are wondering: Who exactly are these Westerners fighting for the Islamic State? And what makes the militant group fighting in Syria and Iraq so appealing to these young men, who are often 18-30 years old?


Read the full story here.

More cover story previews from Express

Bob McDonnell says he was blindsided by his wife on today’s cover

The battle between D.C. cyclists and motorists is today’s cover story

America’s growing issue with the mentally ill flooding jails is today’s cover story