Center on Extremism

ADL’s Center on Extremism is the agency’s research and investigative arm, and a clearinghouse of valuable, up-to-the minute information about extremism of all types—from white supremacists to Islamic extremists.

For decades, COE analysts have tracked extremist activity in the U.S. and abroad, assisted law enforcement with countless investigations, and helped disrupt and prevent multiple terror attacks. Our law enforcement trainings provide officers with the information they need to protect our country—and themselves—against extremist violence.

Domestic Islamic Extremism in 2016 Report

The landscape of domestic terrorism motivated by Islamic extremist ideology is in flux. 2016 saw a wider range of targets, weapons and terrorist affiliations.

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Domestic Islamic Extremism in 2016 Report