U. S. Park Police Patrol 5 of the 12 Most Visited National Parks During Winter– Dangerous understaffing by the NPS Prevents Officers from doing this – Safely and Effectively. December 31, 2018December 31, 2018 by USPPFOP, posted in Uncategorized Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading...