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The investigative arm of the National Park Service
Who We Are

The investigative arm of the National Park Service (NPS), providing critical investigative & law enforcement support across all NPS sites

Find out more about the NPS Investigative Services Branch
What We Do

We conduct complex, sensitive, and/or long-term criminal investigations across the National Park System

A special agent of the NPS Investigative Services Branch stands at a forested overlook above a river
Submit a Tip

See something suspicious? Stay safe and tell us about it. You don't have to tell us who you are, but please tell us what you know.

Last updated: February 15, 2025