http://www.centurylink.net/news/read...angers_park-ap

WASHINGTON (AP) — Park rangers, wildlife refuge workers and U.S. Park Police experienced more assaults and threats from visitors last year than in 2011, according to a group that represents federal resource workers.

A total of 591 incidents were reported by six land and water agencies in 2012, up 38 percent from the previous year, the group says. More than one-quarter of the incidents involved some sort of violence against the employee or officer, the report by the advocacy group Public Employees for Environmental Responsibility says......more......