Wis. shooter's motives remain unclear
By Tom Held
The Milwaukee Journal Sentinel
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The gunman, Forest County Sheriff's Deputy Tyler Peterson, 20, died about 12 hours after the massacre during an encounter with members of the tactical unit on which he served. Peterson and the officers exchanged gunfire on property in the Town of Argonne, where the fugitive had gone to seek refuge with family friends.
Full story: Wis. shooter's motives remain unclear