Here is a pretty good article that is from National Geographic that might be of use.
http://news.nationalgeographic.com/news/2005/06/0607_050607_coyotes_2.html
Nobody?
I will still hike but as a much more educated hiker
What impressed me about these stories is that it seems a good deal of the attacks came from behind.......coyotes are very clever
Thank goodnes they aren't that big, as opposed to wolves, or I imagine no one would survive an attack!