7 votes The FBI of the National Park Service Posted October 23, 2018 by Deimos Tags: usa, crime, policing, investigative services branch, parks.national, author.rachel monroe, source.outside, long read https://www.outsideonline.com/2353856/national-park-service-investigative-services-branch Link information This data is scraped automatically and may be incorrect. Authors Rachel Monroe Published Oct 16 2018 Word count 5610 words