visiting his practice. >> reporter: no sign of dr. palmer but in a letter to parents he had said he had no idea the lion hunt may have been illegal and vowed to cooperate with authorities. palmer maintains he paid his guides to obtain proper permits. crickets have been loud. de writing thousands of negative comments on yelp. several petitions surfaced online asking to extradite dr. palmer to zimbabwe to face criminal charges. ted nugent came to palmer's defense. cecil was 13, a tourist favorite. fitted with a tracking collar studied by researchers. >> the lion cecil it was a remarkable individual. remarkable particularly because