3,600+ Encrypted Agencies (2026)
7,200% Increase Since 2010
42% US Departments Encrypted
5+ Major Reversals

Filter Timeline

2010 ~50 agencies

Early Digital Adoption

Digital radio technology improves, but encryption remains rare. Most departments use analog systems openly accessible to scanners.

2010 Project 25 (P25) standard gains traction for digital radio technology
2010 First major metro areas begin P25 migration planning adoption
2015 ~150 agencies

Infrastructure Investment

Federal funding accelerates digital infrastructure. Encryption capability is built in, though not always activated.

2015 DHS grants fund regional interoperability systems funding
2015 Several state police agencies quietly enable encryption adoption
2015 Massachusetts State Police goes fully encrypted milestone
2018 ~300 agencies

Encryption Momentum Builds

A shift occurs as 'officer safety' becomes the primary justification for encryption.

Jan 2018 Arizona DPS encrypts statewide milestone
Mar 2018 Multiple California agencies begin encryption adoption
Jun 2018 Denver announces encryption plans announcement
2018 Media organizations begin formal objections opposition
2019 ~500 agencies

Major City Precedent

LAPD's move sets a precedent for other major departments. The 'domino effect' begins.

Apr 2019 LAPD encrypts all radio communications milestone
Jun 2019 San Diego begins phased encryption adoption
Aug 2019 Phoenix announces encryption timeline announcement
2019 Press freedom groups issue joint statement of concern opposition
2020 ~1,200 agencies

Post-Protest Surge

Civil unrest accelerates encryption adoption. Departments cite 'tactical advantage' concerns.

May 2020 George Floyd protests spark nationwide demonstrations context
Jun 2020 Dozens of agencies cite protests in encryption justifications adoption
Jul 2020 Portland PD encrypts amid ongoing protests milestone
Aug 2020 Chicago announces 30-minute delay system alternative
Dec 2020 Year ends with 140% increase in encrypted agencies statistic
2021 ~2,200 agencies

Nationwide Acceleration

Major metro areas accelerate timelines. Advocacy groups organize in response.

Jan 2021 Phoenix PD completes citywide encryption milestone
Mar 2021 Miami-Dade announces $45M encryption project announcement
May 2021 Highland Park shooting exposes encryption dangers incident
Jul 2021 First state-level transparency legislation introduced legislation
Nov 2021 NYC announces largest encryption project in US history announcement
2022 ~2,900 agencies

Critical Mass

Encryption reaches critical mass, but organized opposition scores first major victories.

Feb 2022 Philadelphia PD encrypts dispatch channels milestone
Apr 2022 Denver PD completes $43M encryption system milestone
Jun 2022 Palo Alto REVERSES encryption after community pressure victory
Aug 2022 NYC Council passes Local Law 46 (media access) legislation
Oct 2022 Berkeley PD maintains open channels after review victory
2023 ~3,300 agencies

Consolidation & Resistance

Legislative responses emerge at state level. Community organizing proves effective.

Jan 2023 Colorado introduces SB23-189 (transparency requirements) legislation
Mar 2023 NYPD begins phased encryption rollout adoption
May 2023 New Jersey statewide NJICS encryption discovered investigation
Jul 2023 California SB 719 introduced (media access) legislation
Oct 2023 Boulder PD commits to transparency after community input victory
2024 ~3,500 agencies

Largest Projects Complete

Largest encryption projects complete. Legal challenges and legislative efforts intensify.

Jan 2024 NYPD completes $390M encryption project milestone
Mar 2024 Brevard County FL reverses encryption decision victory
Jun 2024 Multiple state legislatures consider transparency bills legislation
Sep 2024 Media coalition files federal lawsuit challenging encryption litigation
2024 42% of US police departments now encrypted statistic
2025 ~3,550 agencies

Legislative Action Year

Federal attention grows. Multiple states consider transparency legislation.

Jan 2025 Florida considers statewide encryption standards legislation
Mar 2025 Federal transparency bill introduced in Congress legislation
Jun 2025 Court ruling establishes media access precedent litigation
2025 Advocacy groups report increased membership movement
2026 3,600+ agencies

Current State

The fight continues. Success stories prove encryption decisions can be reversed.

Current Over 3,600 agencies encrypted nationwide statistic
Current Active legislation in 12+ states legislation
Current Growing coalition of transparency advocates movement
Current Multiple successful reversal playbooks documented victory

Key Turning Points

2019

LAPD

Set precedent for major city encryption

2020

Multiple

Post-protest surge doubled encrypted agencies

2022

Palo Alto

First major reversal proved change possible

2022

NYC Council

Local Law 46 established media access model

2024

NYPD

$390M project, largest in US history

Encryption Growth Over Time

201050
2015150
2018300
2019500
20201,200
20212,200
20222,900
20233,300
20243,500
20263,600+
2020: 140% surge post-protests

The Tide Is Turning

Despite rapid growth, 2022-2024 showed that encryption decisions can be reversed. Community organizing and legislative action are making a difference.

2022

Palo Alto, CA

20 months of community advocacy resulted in full reversal with CHP model.

2022

NYC Local Law 46

Established media access program despite full encryption.

2023

Boulder, CO

Community input led to transparency commitment.

2024

Brevard County, FL

County commission reversed encryption decision after public hearings.

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