People think that catching terrorists is just a matter of finding them – but, just as often, terrorists are created by the people doing the chase.

While making our film (T)ERROR, which tracks a single counter-terrorism sting operation over seven months, we realized that most people have serious misconceptions about FBI counter-terrorism efforts. They assume that informants infiltrate terrorist networks and then provide the FBI with information about those networks in order to stop terrorist plots from being carried out. That’s not true in the vast majority of domestic terrorism cases.

Since 9/11, as Human Rights Watch and others have documented, the FBI has routinely used paid informants not to capture existing terrorists, but to cultivate them. Through elaborate sting operations, informants are directed to spend months – sometimes years – building relationships with targets, stoking their anger and offering ideas and incentives that encourage them to engage in terrorist activity. And the moment a target takes a decisive step forward, crossing the line from aspirational to operational, the FBI swoops in to arrest him.

The targets of FBI stings […]