By Robert Snell, MediaNews Group

FBI counter-terrorism agents used a secret surveillance tool to investigate juveniles and adults from Dearborn before thwarting what the government called the group’s plan for a domestic terror attack on behalf of the Islamic State, according to federal court records.

This development is emerging as three members of the group are due in federal court Monday to learn whether they will be detained while the case is pending in Detroit. Prosecutors made the announcement in a court filing that disclosed investigators obtained evidence from electronic surveillance allowed under the Foreign Intelligence Surveillance Act while investigating at least eight people, including two juveniles from Dearborn.

The disclosure reveals how FBI agents investigated the larges

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