Clinton Bieschke, 34, was found under the water in the Boise River after his inner tube got caught in trees. BOISE, Idaho — ...

Based on preliminary evidence, it appears that Bieschke was floating down the river with friends when his single-person inner tube became caught in a tree, and he went underwater.

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The search began shortly before 7 p.m. Saturday, following reports that a man and his 5-year-old son "had gone under the water" while on an inflatable inner tube.