Rescue workers help a woman after a shooting, outside the Bataclan theater in Paris, Friday Nov. 13, 2015.  French President Francois Hollande declared a state of emergency and announced that he was closing the country's borders. (AP Photo/Thibault Camus)

How a night of horror washes Paris in blood; 129 dead

The men who attacked Paris worked in three synchronized teams, wearing matching suicide vests and carrying the same weapons.