Mountain West Police Encryption Trends
From Las Vegas to Colorado's ski towns, the Mountain West has gone dark faster than most of the country. Tourism economies, wildfire season, and nearly 2,000 miles of international border make encryption decisions here more consequential than most.
Regional Overview
This analysis covers six states: Colorado, Arizona, Nevada, Utah, New Mexico, and Idaho. Arizona and Nevada have near-complete encryption in their major metros. Boise, Idaho remains open. Colorado passed the country's first statewide media access law in 2021, though the law still lacks enforcement teeth.
Three factors make this region's encryption decisions especially consequential: wildfire evacuation depends on real-time radio, tourist areas have transient populations who lack local emergency alert subscriptions, and 1,954 miles of border with Mexico require constant multi-agency coordination.
State-by-State Analysis
Colorado
MixedFirst state with mandatory media access legislation
Arizona
Mostly EncryptedPhoenix metro fully encrypted; Tucson followed in 2023
Nevada
Mostly EncryptedLas Vegas LVMPD encrypted after 1 October shooting
Utah
PartialSalt Lake City partial; rural agencies mostly open
New Mexico
PartialAlbuquerque partial encryption; tribal agencies mixed
Idaho
Mostly OpenBoise remains open; regional model for transparency
Major Cities
| City | State | Population | Status | Year | Notes |
|---|---|---|---|---|---|
| Denver | CO | 715K | Encrypted | 2020 | Encrypted during George Floyd protests; HB21-1250 requires media access policy but implementation stalled |
| Phoenix | AZ | 1.6M | Encrypted | 2019 | Entire Maricopa County system encrypted; largest encrypted metro in region |
| Las Vegas | NV | 650K | Encrypted | 2018 | LVMPD encrypted after 1 October 2017 shooting; tourism corridor fully dark |
| Salt Lake City | UT | 200K | Partial | 2022 | Main dispatch open; tactical channels encrypted; Winter Olympics 2002 legacy system |
| Albuquerque | NM | 560K | Partial | 2021 | APD partial encryption; under DOJ consent decree for use of force |
| Boise | ID | 235K | Open | N/A | Treasure Valley maintains open communications; regional transparency leader |
| Tucson | AZ | 545K | Encrypted | 2023 | Followed Phoenix pattern; border region coordination concerns |
Regional Encryption Timeline
1 October mass shooting in Las Vegas prompts security review
LVMPD completes full encryption of all channels
Phoenix Police Department encrypts entire Maricopa County system
Denver Police encrypts during George Floyd protests
Aurora Police follows Denver encryption
Colorado HB21-1250 passes requiring media access policies
Albuquerque implements partial encryption under DOJ oversight
Salt Lake City encrypts tactical channels only
Tucson Police completes encryption
Boise reaffirms commitment to open communications
Colorado media access implementation still stalled
Patterns Unique to Mountain West
Tourism Corridors
Las Vegas, Phoenix, and Colorado ski towns draw millions of visitors each year. When emergencies hit tourist areas, those visitors don't have local emergency alert subscriptions. The 2017 Las Vegas shooting made that gap visible. With encrypted police radio, there's no backup channel.
- Las Vegas Strip and Convention Center
- Phoenix/Scottsdale resort corridor
- Colorado I-70 ski towns (Vail, Aspen, Breckenridge)
- Utah ski resorts (Park City, Snowbird)
- Grand Canyon and Sedona tourist zones
Border Region Complexity
Arizona and New Mexico share 1,954 miles of border with Mexico. Border Patrol, state police, local departments, and tribal police need to talk to each other constantly. Encryption fragments that communication into separate silos.
- Tucson sector: 262 miles of border requiring multi-agency response
- Phoenix-area immigration enforcement coordination
- New Mexico tribal lands spanning border regions
- Cross-border emergency medical services
Wildfire Response
Wildfire risk in the Mountain West has grown each decade. Colorado's Marshall Fire in December 2021 destroyed over 1,000 homes near Denver. Encrypted agencies coordinated the response on channels the public couldn't hear, leaving residents dependent on official updates that often lagged conditions on the ground.
- Marshall Fire (CO, 2021): 6,000 acres, 1,000+ structures, encrypted response
- Cameron Peak Fire (CO, 2020): 208,000 acres, largest in state history
- Arizona Tunnel Fire (2022): Flagstaff evacuations with encrypted coordination
- Nevada Tamarack Fire (2021): Multi-state response challenges
Rural-Urban Divide
Mountain West states have large rural stretches where encryption is impractical. Rural sheriffs rely on open communications for volunteer coordination and mutual aid with distant agencies. The result is scattered open pockets surrounded by encrypted urban systems.
- Eastern Colorado plains counties
- Northern Arizona Navajo Nation (tribal sovereignty)
- Nevada rural counties outside Las Vegas/Reno
- Southern Utah wilderness regions
- Most of Idaho outside Ada County
Colorado HB21-1250: A Regional Model
First Statewide Media Access Requirement
In 2021, Colorado became the first state to require police departments with encrypted systems to create media access policies. HB21-1250 requires agencies to establish procedures for credentialed journalists to access encrypted communications.
Agencies must create written policies for media access to encrypted radio systems, including credentialing procedures and access protocols.
Rep. Kevin Van Winkle (R-Highlands Ranch) attached the amendment to broader police accountability legislation after three years of standalone bill failures.
Denver and Aurora have yet to reach workable agreements with news organizations. The law lacks enforcement mechanisms for non-compliance.
Lessons for Other Mountain West States
- Standalone encryption bills failed three times; attaching to broader accountability legislation is what finally worked.
- A Republican sponsor gained Democratic support by framing the measure as government accountability rather than a press issue.
- Colorado's law lacks teeth, so future legislation should include penalties for non-compliance.
- The Colorado Broadcasters Association provided sustained lobbying support throughout the effort.
Boise: Regional Model for Transparency
Why Idaho's Capital Remains Open
Phoenix, Las Vegas, and Denver have all encrypted. Boise and the Treasure Valley have not. The Boise Police Department, Ada County Sheriff, and surrounding agencies still allow public scanner access.
What Makes Boise Different
Idaho's political culture emphasizes government transparency and citizen oversight.
Active scanner community and local media have maintained pressure for transparency.
Unlike Las Vegas (1 October) or Denver (2020 protests), Boise hasn't had a triggering event used to justify encryption.
Rural Idaho agencies rely on open communications for mutual aid; encryption would isolate Boise from regional partners.
Partial Access Model
Ada County Sheriff maintains a hybrid approach: main dispatch and routine operations remain open, while specialized tactical channels (SWAT, undercover operations) are encrypted. This balances legitimate security needs with public transparency.
Take Action in the Mountain West
Support Colorado Implementation
HB21-1250 passed but implementation has stalled. Contact the Colorado Broadcasters Association and your state legislators to push for enforcement mechanisms. The law only works if agencies comply.
Colorado Broadcasters AssociationPush for Legislation in Arizona
Arizona has no transparency protections. With Phoenix and Tucson fully encrypted, advocacy efforts should focus on the state legislature. Use Colorado's HB21-1250 as a template for Arizona legislation.
Prepare testimony for Arizona LegislaturePreserve Idaho's Transparency
Boise's open communications aren't guaranteed. Attend city council meetings when radio system upgrades are discussed. Public awareness prevents quiet transitions to encryption.
How to fight encryption proposalsDocument Wildfire Coverage Gaps
When wildfires strike encrypted areas, document how encryption affected information flow. These real-world examples build the case for transparency requirements.
Emergency alert evidence