I haven't heard of coyotes attacking people, but they do attack dogs while the owners are right there.

I had it happen two summers ago about 10:00PM while I was standing in my front yard next to my Cocker Spaniel.

Three weeks ago a neighbor was walking her dog on a leash on the Air Force Academy and two coyotes jumped out and grabbed the dog. She beat them off with her walking stick.

The coyotes are getting too used to people and are not afraid.