White/Caucasian male Troy Lynn Duncan, age 34, died on May 19, 1984, near Manley Hot Springs, Alaska, during an airborne search for a suspected spree killer. A trooper based in Fairbanks, he and other Special Emergency Response Team members were closing in after spotters located the suspect along the Zitziana River. As their helicopters approached, the gunman�identified as 25-year-old drifter and Army veteran Michael Alan Silka�fired a. 30-06 rifle, a round piercing a helicopter windshield and s
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