A sad story. I don't know the details but it's unfair to let your 14 year old tool around on a sled unsupervised, then criticize SAR for not saving his life. If you're an adult you're responsible for yourself first, and the parents of course are responsible for their children. People have to understand that that SAR isn't a magic wand capable of instantly plucking you out of the "stuff." It's dangerous work, and success is never guaranteed. All too often the rescuers perish trying to aid others.
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman