In this series of videos, The New York Times reports on young people in the Middle East, Europe and the United States who have been lured by the group, also known as ISIS or ISIL.
An Egyptian bodybuilder, torn between the temptations of the modern world and the demands of his religion, joins the Islamic State. This video explores how the failure of the Arab Spring led to widespread disillusionment and, for some, violent extremism.
Three studious teenage girls leave London for the Islamic State, illustrating how radical religiosity is the new counterculture for some young Muslim women who do not feel at home in the West.
An American Christian girl lives in an isolated part of Washington State. She befriends a man on social media, only to discover that he has a hidden agenda. This video demonstrates how online recruitment can reach the most unlikely places.