📏 Standards, certification and typing ↓
🗺️ Statewide Sheriff Statutory Authority & Deployment Density Map
Click any state to open its state page (tap twice on phones).
National Directory
State-by-State Sheriff & LE SAR Portals
Sheriff & Law Enforcement Search & Rescue Statutory Authority
Legal Mandate & Jurisdiction
In many states, county sheriffs hold primary statutory responsibility for search and rescue operations within their respective jurisdictions, partnering closely with state police and wildlife game wardens.
County Sheriff Mandate
In many states, mostly in the West, state law makes the county sheriff responsible for search and rescue in the county (for example Oregon, ORS 404.110). Other states assign it to a state agency: New Hampshire Fish and Game for woodlands and inland waters, the Maine Warden Service for inland searches, and the New Mexico Department of Public Safety under the state SAR Act. Connecticut, Rhode Island, Hawaii and Alaska have no county sheriffs running SAR. Check your state page.
State Police & Game Wardens
State-level law enforcement and wildlife conservation officers provide specialized tracking, aviation units, and tactical support across state parks and public corridors.
Multi-Agency Command
Seamlessly integrating volunteer ground teams, K-9 units, and aviation assets under standardized law enforcement command structures for rapid rescue execution.
Jurisdictional Responsibilities & Roles
Multi-Tier Agency Matrix
Clear operational delineation of responsibilities between local sheriffs, state troopers, and federal land agencies.
| Agency Tier | Primary Jurisdiction | Core SAR Responsibility |
|---|---|---|
| County Sheriff's Office | County Boundaries / Unincorporated Land | Overall incident command, search management, coordination of volunteer SAR posses, and investigation. |
| State Police / Troopers | State Highways & Public Corridors | Traffic control, highway corridor searches, state aviation deployment, and specialized tactical support. |
| State Game Wardens / Wildlife | State Parks & Wilderness Areas | Deep backcountry tracking, remote area patrols, swift-water rescue, and expert knowledge of local terrain. |
Search Management & Incident Command
ICS Protocols for Missing Persons
Law enforcement agencies utilize the Incident Command System (ICS) and certified Search Managers to direct tactical field operations.
Mission Planning & Clue Analysis
Certified Search Managers calculate probability areas using established mathematical formulas (ISRID lost person data and probability of area), manage operational periods, and track searcher assignments.
Unified Command
Ensuring clear, unambiguous lines of authority between law enforcement investigators, rescue team leaders, and medical personnel during complex operations.
ICS-205 Interoperability & Tactical Comms Reference
Standard VHF/UHF Tactical Channels
Multi-agency operations require standardized radio programming. Ensure all responding mutual aid units align with national interoperability channels.
| Channel Name | Function / Use | Frequency (RX / TX) | Tone / NAC | Assignment |
|---|---|---|---|---|
| VCALL10 | National Interoperability Calling | 155.7525 MHz | 156.7 Hz (Tone) | Initial Hail & Dispatch Interface |
| VTAC11 | Tactical Ground Operations | 151.1375 MHz | 156.7 Hz (Tone) | Tactical Sector Alpha / Ground Teams |
| VTAC12 | Tactical Command & Aviation | 154.4525 MHz | 156.7 Hz (Tone) | Command Post & Air-to-Ground Net |
| MAC-1 | Statewide Mutual Aid Primary | VHF High / UHF Repeater | Per your state interoperability plan | Out-of-County Strike Teams |
Mutual Aid Paging & Asset Activation Workflow
Escalation Protocols
When an incident exceeds local county resources, the Sheriff Duty Officer initiates formal mutual aid escalation pathways.
- Local Resource Exhaustion Assessment The Incident Commander determines that local county search posses, K9 units, or specialized technical rescue assets are fully deployed or insufficient.
- Sheriff-to-Sheriff or OES Notification The host Sheriff's Office contacts neighboring county sheriff dispatch or the State Emergency Management Agency (OES/DEMHS) duty officer.
- Mission Number Issuance & Resource Typing In states that use mission numbers, the state emergency management agency issues one, and resources are requested by NIMS type where the state uses typing (e.g., Mountain Search and Rescue Team, Trailing Canine Search Team) via standardized typing standards.
- Check-In and Briefing at ICP Incoming mutual aid teams report to the Incident Command Post (ICP), complete ICS-211 check-in, receive an ICS-204 assignment list, and integrate into the operational structure.
Lost Person Behavior & Subject Profile Quick-Guides
Predictive Movement Modeling
Utilizing published Lost Person Behavior data to focus search sectors and anticipate subject travel distance and directional bias.
Toddlers
Behavior: Highly mobile, limited fear, do not respond to calls. Often found downhill, near water or thick brush.
Distance: see Koester's Lost Person Behavior for distance tables by subject category and terrain (also in the app: Google Play · Apple App Store).
Altered Mental Status
Behavior: Non-logical travel, often try to walk straight until blocked. High affinity for linear features (roads, fences, powerlines).
Distance: see Koester's Lost Person Behavior for distance tables by subject category and terrain.
Despondent Subjects
Behavior: Intentional concealment, may hide from searchers, low responsiveness. High frequency of staying close to trailheads, vehicles, or scenic overlooks.
| State / Region ↕ | Agency / Sheriff Office ↕ | Specialty / Jurisdiction ↕ | Coverage ↕ | Dispatch Contact ↕ | Source ↕ |
|---|---|---|---|---|---|
| California | Los Angeles County Sheriff's Department | Emergency Services Detail, Air-5 rescue helicopter, volunteer Mountain Rescue Teams | LA County | Emergency: 911; LASD main line (213) 229-1700 | LASD ↗ |
| Colorado | Larimer County Sheriff's Office (Emergency Services) | Wilderness SAR (Larimer County Search and Rescue), dive rescue (Larimer County Dive Rescue Team) | Larimer County | Emergency: 911; non-emergency dispatch (970) 416-1985 | Larimer County ↗ |
| Washington | King County Sheriff's Office | Search and Rescue; Air Support Unit (Guardian 1 hoist helicopter) | King County | Emergency: 911; 24-hour non-emergency (206) 296-3311 | King County ↗ |
Evidence & Forensic Chain-of-Custody Field Log
Mandatory Documentation Template
Any physical evidence located by field teams must be logged immediately. Do not move items unless weather or imminent destruction threatens integrity; record GPS coordinates and secure perimeter.
| Item # | GPS Coordinates / Location | Description of Evidence | Found By (Team / Member) | Date / Time Logged | Chain of Custody Transfer |
|---|---|---|---|---|---|
| E-01 | 37.8654° N, 122.2431° W | Blue nylon backpack, unzipped, containing ID card. | Ground Team 2 | 2026-09-14 / 09:30 | Transferred to investigating agency |
| E-02 | 37.8661° N, 122.2415° W | Single black hiking boot (Size 10). | Tracker Team 1 | 2026-09-14 / 11:15 | Pending Crime Scene Tech Retrieval |
| — | Enter coordinates... | Describe article, footprints, or remains... | Team ID / Handler Name | YYYY-MM-DD / HH:MM | Receiving Officer Signature |
Official Law Enforcement SAR References & Links
Standards & Associations
Explore official national sheriff organizations and law enforcement training guidelines.
National Sheriffs' Association (NSA)
Official resources, training standards, and leadership guidelines for county sheriffs across the United States.
SAR StandardsNational Association for Search and Rescue
Professional certifications for search managers, ground searchers, and rescue technicians collaborating with law enforcement.
⚠️ Law Enforcement SAR Safety & Legal Notice
Chain of Custody & Evidence: Because search and rescue missions frequently transition into criminal investigations or involve distressed subjects, law enforcement must maintain strict evidence preservation and witness interview protocols throughout every phase of the search. Unauthorized civilian interference within active perimeters is strictly prohibited.
📝 Submit Data Revisions, Agency Additions, or Verification Requests
Help keep our nationwide database accurate. Use the form below to submit additions or updates for County Sheriff SAR Teams, State Police/Trooper Divisions, Game Warden Rescue Units, or Certified Incident Commanders/Search Managers. All entries are reviewed by site administrators prior to verification.
Law Enforcement by Discipline
Each discipline hub has a Law Enforcement section covering when to request an LE unit, coordination tips and national law enforcement resources.
- Law Enforcement Canine (K9)Police K9 teams are sworn handlers working dogs certified for patrol, tracking, narcotics, explosives or human-remains detection.
- Law Enforcement Drone (UAS) UnitsMany sheriff's offices and police departments now run drone programs with thermal cameras, and their pilots are often on duty around the clock.
- Law Enforcement AviationState police, highway patrol and large sheriff's offices operate helicopters and fixed-wing aircraft with FLIR, searchlights and, in many cases, hoist or short-haul capability.
- Law Enforcement Dive & Underwater EvidenceSheriff's and police dive teams handle drowning recoveries, vehicle-in-water cases and underwater evidence searches.
- Law Enforcement Marine PatrolState wildlife and boating agencies, sheriff's marine units and harbor police enforce boating law and are often first on scene for capsizings, overdue boaters and persons in the water on inland lakes and coastal waters.
- Law Enforcement Mounted Units & Sheriff's PossesMany sheriff's offices sponsor mounted posses, and several cities run police horse units.
- Law Enforcement TrackingTrained trackers in law enforcement, including U.S. Border Patrol agents, can follow sign and help confirm a subject's direction of travel.
- Law Enforcement Missing-Person InvestigationEvery missing-person search runs alongside an investigation.
- Law Enforcement Cell Phone RequestsOnly a law enforcement or public-safety agency can request emergency location data from a wireless carrier.
- Law Enforcement CBRNE & Bomb UnitsBomb squads, WMD coordinators and Guard civil support teams respond when a search or rescue scene involves explosives, chemical, biological or radiological hazards.
- Law Enforcement Communications & InteroperabilityLaw enforcement typically controls the county dispatch center, the tactical talkgroups and the mutual-aid channels a search will use.
- Law Enforcement in Flood & Swiftwater EventsDuring floods, law enforcement closes roads, enforces evacuations, runs dispatch and often operates the first boats on scene.
- Law Enforcement Off-Highway Vehicle UnitsSheriff's offices, state park rangers and federal land-management officers patrol OHV areas on ATVs and UTVs.
- Law Enforcement Park RangersMany state and national park rangers are commissioned law enforcement officers who also lead search and rescue in their parks.
📏 Standards, certification and typing
State law decides who has SAR authority, usually the county sheriff. Federal plans and ASTM guides give the national framework.
National standards
ASTM F1422 - ICS for managing SAR operationsActive
A standard guide for using the NIMS Incident Command System as the management framework for SAR operations. It is a core reference for agencies that manage searches.
Official source ↗FEMA resource typing (NIMS)
NIMS Land Search and Rescue (SAR) TeamPublished
FEMA's national typing definition for land and wilderness SAR teams in non-technical terrain. Type 1 has at least 9 people and Type 2 at least 6. Team equipment must meet ASTM F2209.
Official source ↗NIMS Land SAR leadership and member positionsPublished
NIMS 509 position qualifications that the Land SAR Team definition uses to staff its leaders and members.
Official source ↗Certification and training
NASAR SARTECH MGR (Search Manager)Active
NASAR's certification for SAR managers, also called SAR Incident Commanders. The prerequisites for MLPI are ICS-100, ICS-200, IS-700, CPR and first aid. NASAR accepts MLSO (ERI), USCG Inland SAR Planning and Arizona Inland SAR Management as equivalents.
Official source ↗NASAR Initial Actions courseActive
Trains emergency services responders to start the first investigation and search for a missing person: size-up, initial tactics, lost person behavior and setting search areas.
Official source ↗FEMA NIMS/ICS trainingCurrent
FEMA Emergency Management Institute incident command courses. They are common prerequisites for SAR management roles.
Official source ↗Federal law and rules
National Search and Rescue Plan of the United StatesCurrent (listed on NSARC publications page)
The federal plan that assigns SAR coordinator duties. It says state, tribal, territorial and local authorities are responsible for land-based SAR and should name a SAR coordinator in their jurisdiction. The federal coordinator for the aeronautical region over the continental U.S. and Alaska is CDRUSNORTHCOM.
Who has SAR authority inside a state, such as the sheriff, is set by state law, not by this plan. The plan also states that the federal government does not compel state or local agencies to conform.
Official source ↗U.S. National SAR Supplement (NSS) to the IAMSAR ManualCurrent (listed on NSARC publications page)
National guidance for federal civil SAR responders. It includes sections on the State SAR Coordinator and on general principles for state, tribal, territorial and local SAR responsibilities.
Official source ↗Air Force Rescue Coordination Center (AFRCC)Active
The U.S. inland SAR coordinator, and the single agency that coordinates on-land federal SAR in the 48 contiguous states. It works 24/7 and keeps resource files on federal and state SAR organizations.
Official source ↗Missing child reporting to NCIC and NamUsIn force
Law enforcement must report missing children under 21 to NCIC and NamUs. States must ensure agencies have no waiting period for taking a report, and reports must be entered within 2 hours.
Official source ↗Key official references
Land SAR Addendum to the National SAR SupplementPublished
Federal guidance on land searches for people, vehicles and missing aircraft. It says land SAR is normally run by state or local authorities, uses NIMS/ICS, and is offered to state and local agencies as baseline guidance they are not required to follow.
Official source ↗Example state statute: Oregon ORS 404.110In force
An example of state law setting SAR authority: each Oregon county sheriff is responsible for SAR in the county. Other states set this differently.
Example only. Sheriff authority varies by state.
Official source ↗