Big Bend National Park has had two cougar attacks on children and one on an adult. One scare might not actually have been an incipient attack.
A cougar killed a woman near Sacramento, a fair number of years ago, and there was another killing of a bicycle rider in (IIRC) a state park in California.
The only cougar kill of a human that I know of in Colorado was a jogger, west of Denver. It was guessed that the jogger might have been kneeling, re-tying a shoe.
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