LONETREE, Wyo. — Lonetree ... The most complicated and violent criminal case in Wyoming history happened here. The central figure was Mark Hopkinson, a native of the area.

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The operation racks up about 700 miles a week. On The Hook has ventured as far north as Cody, Wyoming. and as far south as Lonetree in Colorado, also covering the more than 500 miles in-between.

Matthew Riehl. University of Wyoming police detectives had called police in Lone Tree to warn about the behavior of Matthew Edward Riehl, 37, who by then — in mid-November — was living near ...