The man accused of opening fire on a Pennsylvania State Police barracks admitted killing a trooper because he was dissatisfied with government and wanted to "wake people up," according to court documents filed Thursday that provided the first indication of a possible motive. Eric Frein spoke of wanting to start a revolution in a letter to his parents and called the slaying of Cpl. Bryon Dickson an "assassination" in a police interview after his Oct. 30 capture, the documents said. State police charged Frein on Thursday with two counts of terrorism.
Pa. trooper ambush suspect charged with terrorism
Prosecutors seeking death penalty in case


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