National Park Service | Investigation Services #5977420
Description
Welcome to the National Park Service Investigation Services Branch (ISB), responsible for investigating crimes committed within the National Park Service and the system. The ISB is a branch under the National Park Service Division of Law Enforcement, Security, and Emergency Services. All members of the ISB are LESES Law Enforcement Rangers with the authority to investigate and arrest for crimes against the United States. This is not NPS. This is an official NPS LESES branch. Check our affiliates to join NPS.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 11 Aug 2026, 04:45 | 2 | first reading |
Ownership
Owned by @NPSProtector as measured.
Members we’ve seen
@NPSProtector — HOLDER (rank 255)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.