Human Rights Data Analysis Group
@hrdag.org
We're a nonprofit organization using data analysis, scientific research, and innovation in scientific methods in the field of human rights.
Website: https://hrdag.org
Substack: https://hrdag.substack.com/
Website: https://hrdag.org
Substack: https://hrdag.substack.com/
The need for law enforcement transparency, oversight, and accountability has never been clearer, writes @prisonpolicy.org www.prisonpolicy.org/blog/2026/01...
Resource spotlight: Data projects tracking police misconduct, use of force, and employment histories
The need for law enforcement transparency, oversight, and accountability has never been clearer. We highlight data projects that have helped document and investigate misconduct, as ...
www.prisonpolicy.org
February 11, 2026 at 10:44 PM
The need for law enforcement transparency, oversight, and accountability has never been clearer, writes @prisonpolicy.org www.prisonpolicy.org/blog/2026/01...
Among the many ways HRDAG contributed in post-conflict Guatemala: we trained Guatemalan NGOs in methods for securing their data using open source information management tools.
hrdag.org/guatemala/
hrdag.org/guatemala/
HRDAG - Human Rights Data Analysis Group
Collecting and Protecting Human Rights Data in Guatemala (1991-2013)
In 1996, a peace accord brokered by the United Nations ended 36 years of internal armed conflict in Guatemala. During the hostili...
hrdag.org
February 10, 2026 at 6:01 PM
Among the many ways HRDAG contributed in post-conflict Guatemala: we trained Guatemalan NGOs in methods for securing their data using open source information management tools.
hrdag.org/guatemala/
hrdag.org/guatemala/
"These documents are available theoretically. But there's a wide gap between that and having them in your hand."
- Galen Mancino, on searching out documents about police misconduct.
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
- Galen Mancino, on searching out documents about police misconduct.
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
Wandering Officer: Activists & Scholars Use Data for Police Accountability
YouTube video by Human Rights Data Analysis Group
www.youtube.com
February 9, 2026 at 9:27 PM
"These documents are available theoretically. But there's a wide gap between that and having them in your hand."
- Galen Mancino, on searching out documents about police misconduct.
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
- Galen Mancino, on searching out documents about police misconduct.
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
What does justice look like for communities struggling with police violence? At a recent event in Oakland, CA, activists, scholars, and those who lost loved ones to police violence shared their stories. hrdag.org/2026/02/03/w...
Watch Now: The Wandering Officer—New Databases for Police Accountability
What does justice look like for communities struggling with police violence?
For Cat Brooks, Co-Founder of the Anti-Police Terror Project (APTP), true justice isn’t possible. "There is no such thin...
hrdag.org
February 6, 2026 at 8:36 PM
What does justice look like for communities struggling with police violence? At a recent event in Oakland, CA, activists, scholars, and those who lost loved ones to police violence shared their stories. hrdag.org/2026/02/03/w...
"What is the role of transparency in advancing police accountability and justice?" asks trina reynolds-tyler of @invisible.institute moderating HRDAG's event in Oakland, CA exploring how we use data about police misconduct to work toward justice. www.youtube.com/watch?v=YGaE...
Wandering Officer: Activists & Scholars Use Data for Police Accountability
YouTube video by Human Rights Data Analysis Group
www.youtube.com
February 5, 2026 at 7:58 PM
"What is the role of transparency in advancing police accountability and justice?" asks trina reynolds-tyler of @invisible.institute moderating HRDAG's event in Oakland, CA exploring how we use data about police misconduct to work toward justice. www.youtube.com/watch?v=YGaE...
🗣️ Public participation plays a critical role in AI research.
Watch HRDAG's executive director Megan Price and her co-author @natematias.bsky.social discuss their recent research paper:
youtube.com/watch?si=Orbr5JFbYcEzjzFF&t=1187&v=u0qW7ny58hU&feature=youtu.be
Watch HRDAG's executive director Megan Price and her co-author @natematias.bsky.social discuss their recent research paper:
youtube.com/watch?si=Orbr5JFbYcEzjzFF&t=1187&v=u0qW7ny58hU&feature=youtu.be
Pre-event of Participatory AI Research & Practice Symposium 2026
YouTube video by Connected by Data
youtube.com
February 4, 2026 at 8:08 PM
🗣️ Public participation plays a critical role in AI research.
Watch HRDAG's executive director Megan Price and her co-author @natematias.bsky.social discuss their recent research paper:
youtube.com/watch?si=Orbr5JFbYcEzjzFF&t=1187&v=u0qW7ny58hU&feature=youtu.be
Watch HRDAG's executive director Megan Price and her co-author @natematias.bsky.social discuss their recent research paper:
youtube.com/watch?si=Orbr5JFbYcEzjzFF&t=1187&v=u0qW7ny58hU&feature=youtu.be
"As soon as the law passed, there were news outlets reporting about how, for example, Fremont Police Department was shredding their documents because they didn't want to disclose them."
- Galen Mancino.
www.youtube.com/watch?v=YGaE...
- Galen Mancino.
www.youtube.com/watch?v=YGaE...
Wandering Officer: Activists & Scholars Use Data for Police Accountability
YouTube video by Human Rights Data Analysis Group
www.youtube.com
February 3, 2026 at 7:51 PM
"As soon as the law passed, there were news outlets reporting about how, for example, Fremont Police Department was shredding their documents because they didn't want to disclose them."
- Galen Mancino.
www.youtube.com/watch?v=YGaE...
- Galen Mancino.
www.youtube.com/watch?v=YGaE...
"There is no such thing as justice when we're talking about police terror and the stealing of our community members' lives." - Cat Brooks, at HRDAG's event on data and police accountability.
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
Wandering Officer: Activists & Scholars Use Data for Police Accountability
YouTube video by Human Rights Data Analysis Group
youtu.be
February 2, 2026 at 6:44 PM
"There is no such thing as justice when we're talking about police terror and the stealing of our community members' lives." - Cat Brooks, at HRDAG's event on data and police accountability.
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
Watch our full event in Oakland, CA:
www.youtube.com/watch?v=YGaE...
HRDAG hosted a data retreat in our office last week.
We're grateful to be part of a community of statisticians and scientists using data to advance human rights.
We're grateful to be part of a community of statisticians and scientists using data to advance human rights.
January 30, 2026 at 10:59 PM
HRDAG hosted a data retreat in our office last week.
We're grateful to be part of a community of statisticians and scientists using data to advance human rights.
We're grateful to be part of a community of statisticians and scientists using data to advance human rights.
This work is better with friends.
Here are some moments from our recent data retreat with HRDAG scientists and our partners at @datacivica.bsky.social Kilómetro 0, & @invisible.institute
Here are some moments from our recent data retreat with HRDAG scientists and our partners at @datacivica.bsky.social Kilómetro 0, & @invisible.institute
January 29, 2026 at 12:19 AM
This work is better with friends.
Here are some moments from our recent data retreat with HRDAG scientists and our partners at @datacivica.bsky.social Kilómetro 0, & @invisible.institute
Here are some moments from our recent data retreat with HRDAG scientists and our partners at @datacivica.bsky.social Kilómetro 0, & @invisible.institute
ICYMI: HRDAG hosted a conversation with the human rights community about recent threats to science and civil society in the United States. Watch here:
www.youtube.com/watch?v=3UHk...
www.youtube.com/watch?v=3UHk...
IN THE FACE OF TYRANNY: HRDAG Hosted Discussion with the Human Rights Community on Recent Threats
YouTube video by Human Rights Data Analysis Group
www.youtube.com
January 27, 2026 at 7:42 PM
ICYMI: HRDAG hosted a conversation with the human rights community about recent threats to science and civil society in the United States. Watch here:
www.youtube.com/watch?v=3UHk...
www.youtube.com/watch?v=3UHk...
Even with multiple sources, the story isn’t complete.
HRDAG uses techniques like multiple systems estimation to infer the unobserved from the observed, recognizing that some victims may never be seen in the data.
hrdag.org/2013/03/11/m...
HRDAG uses techniques like multiple systems estimation to infer the unobserved from the observed, recognizing that some victims may never be seen in the data.
hrdag.org/2013/03/11/m...
Multiple Systems Estimation: The Basics
Multiple systems estimation, or MSE, is a family of techniques for statistical inference. MSE uses the overlaps between several incomplete lists of human rights violations to determine the total…
hrdag.org
January 23, 2026 at 5:01 PM
Even with multiple sources, the story isn’t complete.
HRDAG uses techniques like multiple systems estimation to infer the unobserved from the observed, recognizing that some victims may never be seen in the data.
hrdag.org/2013/03/11/m...
HRDAG uses techniques like multiple systems estimation to infer the unobserved from the observed, recognizing that some victims may never be seen in the data.
hrdag.org/2013/03/11/m...
More data doesn’t automatically mean more knowledge.
That's because raw data is inherently biased and often misrepresents reality.
Statistical models help reveal those biases and uncover the truth.
www.youtube.com/watch?v=z7U9...
That's because raw data is inherently biased and often misrepresents reality.
Statistical models help reveal those biases and uncover the truth.
www.youtube.com/watch?v=z7U9...
Databite No. 74: Patrick Ball
Patrick Ball presents Digital Echoes: Understanding Patterns of Mass Violence with Data and Statistics:
Data about mass violence can seem to offer insights into patterns: is violence getting better,…
www.youtube.com
January 22, 2026 at 7:01 PM
More data doesn’t automatically mean more knowledge.
That's because raw data is inherently biased and often misrepresents reality.
Statistical models help reveal those biases and uncover the truth.
www.youtube.com/watch?v=z7U9...
That's because raw data is inherently biased and often misrepresents reality.
Statistical models help reveal those biases and uncover the truth.
www.youtube.com/watch?v=z7U9...
Data can be a tool for justice.
Help HRDAG in our efforts to bring accountability and knowledge to human rights violations. hrdag.networkforgood.com
Help HRDAG in our efforts to bring accountability and knowledge to human rights violations. hrdag.networkforgood.com
January 21, 2026 at 4:54 PM
Data can be a tool for justice.
Help HRDAG in our efforts to bring accountability and knowledge to human rights violations. hrdag.networkforgood.com
Help HRDAG in our efforts to bring accountability and knowledge to human rights violations. hrdag.networkforgood.com
We are excited to co-sponsor this event on police accountability in Oakland on January 22 with @ucbids.bsky.social, Anti-Police Terror Project (APTP), Community Law Enforcement Accountability Network, & the National Police Index.
hrdag.org/2026/01/13/t...
hrdag.org/2026/01/13/t...
Teach In on Data for Police Accountability | January 22, 2026 in Oakland, CA
For decades, law enforcement agencies across the United States have operated behind walls of secrecy—particularly when officers abuse their power or use lethal force. That opacity has real consequence...
hrdag.org
January 20, 2026 at 8:56 PM
We are excited to co-sponsor this event on police accountability in Oakland on January 22 with @ucbids.bsky.social, Anti-Police Terror Project (APTP), Community Law Enforcement Accountability Network, & the National Police Index.
hrdag.org/2026/01/13/t...
hrdag.org/2026/01/13/t...
HRDAG stands with the human rights community in condemning the recent sanctions imposed against the International Criminal Court by the U.S. government.
hrdag.org/2026/01/05/t...
hrdag.org/2026/01/05/t...
Trump Administration’s Sanctions on the ICC are an Attack on the Rule of Law
The Trump Administration has issued additional sanctions against judges of the International Criminal Court (ICC), further endangering accountability and justice worldwide. Attacks on the ICC were a k...
hrdag.org
January 16, 2026 at 9:38 PM
HRDAG stands with the human rights community in condemning the recent sanctions imposed against the International Criminal Court by the U.S. government.
hrdag.org/2026/01/05/t...
hrdag.org/2026/01/05/t...
In Oakland?
Come learn about the Police Records Access Project, what the new statewide database of police misconduct and use-of-force records contains, and how it’s related to a new law creating the possibility to decertify officers with histories of abuse.
actionnetwork.org/events/the-w...
Come learn about the Police Records Access Project, what the new statewide database of police misconduct and use-of-force records contains, and how it’s related to a new law creating the possibility to decertify officers with histories of abuse.
actionnetwork.org/events/the-w...
The Wandering Officer: New Databases and a Panel on Police Accountability
Find out about the new statewide database of police misconduct and use-of-force, and how it’s related to a new law creating the possibility to decertify officers with histories of abuse. Speakers: ...
actionnetwork.org
January 16, 2026 at 12:09 AM
In Oakland?
Come learn about the Police Records Access Project, what the new statewide database of police misconduct and use-of-force records contains, and how it’s related to a new law creating the possibility to decertify officers with histories of abuse.
actionnetwork.org/events/the-w...
Come learn about the Police Records Access Project, what the new statewide database of police misconduct and use-of-force records contains, and how it’s related to a new law creating the possibility to decertify officers with histories of abuse.
actionnetwork.org/events/the-w...
Reposted by Human Rights Data Analysis Group
That's why we always say :
☑️ collect the data in real time
☑️ back it up (ideally in another jurisdiction)
☑️ encrypt it
Data collected today is the backbone of tomorrow's prosecutions for human rights violations.
☑️ collect the data in real time
☑️ back it up (ideally in another jurisdiction)
☑️ encrypt it
Data collected today is the backbone of tomorrow's prosecutions for human rights violations.
January 10, 2026 at 5:20 PM
That's why we always say :
☑️ collect the data in real time
☑️ back it up (ideally in another jurisdiction)
☑️ encrypt it
Data collected today is the backbone of tomorrow's prosecutions for human rights violations.
☑️ collect the data in real time
☑️ back it up (ideally in another jurisdiction)
☑️ encrypt it
Data collected today is the backbone of tomorrow's prosecutions for human rights violations.
HRDAG stands with the human rights community in condemning the recent sanctions imposed against the International Criminal Court by the U.S. government.
hrdag.org/2026/01/05/t...
hrdag.org/2026/01/05/t...
Trump Administration’s Sanctions on the ICC are an Attack on the Rule of Law
The Trump Administration has issued additional sanctions against judges of the International Criminal Court (ICC), further endangering accountability and justice worldwide. Attacks on the ICC were a…
hrdag.org
January 14, 2026 at 6:30 PM
HRDAG stands with the human rights community in condemning the recent sanctions imposed against the International Criminal Court by the U.S. government.
hrdag.org/2026/01/05/t...
hrdag.org/2026/01/05/t...
Come learn how public data, journalism & community organizing are reshaping police accountability.
📍 Oakland — Jan 22, 6–7:30 PM
Register now! 👉 actionnetwork.org/events/the-w...
📍 Oakland — Jan 22, 6–7:30 PM
Register now! 👉 actionnetwork.org/events/the-w...
The Wandering Officer: New Databases and a Panel on Police Accountability
Find out about the new statewide database of police misconduct and use-of-force, and how it’s related to a new law creating the possibility to decertify officers with histories of abuse. Speakers: ...
actionnetwork.org
January 13, 2026 at 9:18 PM
Come learn how public data, journalism & community organizing are reshaping police accountability.
📍 Oakland — Jan 22, 6–7:30 PM
Register now! 👉 actionnetwork.org/events/the-w...
📍 Oakland — Jan 22, 6–7:30 PM
Register now! 👉 actionnetwork.org/events/the-w...
Data about human rights violations can be used to prove command responsibility.
HRDAG can and has used this type of data to prove that those at the top of government are knowingly responsible for the agents carrying out their commands.
HRDAG can and has used this type of data to prove that those at the top of government are knowingly responsible for the agents carrying out their commands.
January 12, 2026 at 6:43 PM
Data about human rights violations can be used to prove command responsibility.
HRDAG can and has used this type of data to prove that those at the top of government are knowingly responsible for the agents carrying out their commands.
HRDAG can and has used this type of data to prove that those at the top of government are knowingly responsible for the agents carrying out their commands.
Reposted by Human Rights Data Analysis Group
Data created during times of human rights violations can be used to prove command responsibility: that those at the very top are responsible for the actions of the agents carrying out their orders.
hrdag.substack.com/p/dictatorsh...
hrdag.substack.com/p/dictatorsh...
January 10, 2026 at 5:19 PM
Data created during times of human rights violations can be used to prove command responsibility: that those at the very top are responsible for the actions of the agents carrying out their orders.
hrdag.substack.com/p/dictatorsh...
hrdag.substack.com/p/dictatorsh...
Data created during times of human rights violations can be used to prove command responsibility: that those at the very top are responsible for the actions of the agents carrying out their orders.
hrdag.substack.com/p/dictatorsh...
hrdag.substack.com/p/dictatorsh...
January 10, 2026 at 5:19 PM
Data created during times of human rights violations can be used to prove command responsibility: that those at the very top are responsible for the actions of the agents carrying out their orders.
hrdag.substack.com/p/dictatorsh...
hrdag.substack.com/p/dictatorsh...
Those in power must never undermine a court out of fear that it may turn its attention toward them.
hrdag.org/2026/01/05/t...
hrdag.org/2026/01/05/t...
Trump Administration’s Sanctions on the ICC are an Attack on the Rule of Law
The Trump Administration has issued additional sanctions against judges of the International Criminal Court (ICC), further endangering accountability and justice worldwide. Attacks on the ICC were a…
hrdag.org
January 9, 2026 at 6:10 PM
Those in power must never undermine a court out of fear that it may turn its attention toward them.
hrdag.org/2026/01/05/t...
hrdag.org/2026/01/05/t...
Reposted by Human Rights Data Analysis Group
Do you use methods of participatory science to study AI? Are you curious about doing so?
Megan Price of @hrdag.org & I have been delighted by the enthusiasm for our recent paper and the interest in community-building, so we're holding a meetup Mon Jan 12 @ noon ET!
cornell.zoom.us/meeting/regi...
Megan Price of @hrdag.org & I have been delighted by the enthusiasm for our recent paper and the interest in community-building, so we're holding a meetup Mon Jan 12 @ noon ET!
cornell.zoom.us/meeting/regi...
Welcome! You are invited to join a meeting: Participatory AI Evaluation Meet Up. After registering, you will receive a confirmation email about joining the meeting.
Welcome! You are invited to join a meeting: Participatory AI Evaluation Meet Up. After registering, you will receive a confirmation email about joining the meeting.
cornell.zoom.us
January 8, 2026 at 4:18 PM
Do you use methods of participatory science to study AI? Are you curious about doing so?
Megan Price of @hrdag.org & I have been delighted by the enthusiasm for our recent paper and the interest in community-building, so we're holding a meetup Mon Jan 12 @ noon ET!
cornell.zoom.us/meeting/regi...
Megan Price of @hrdag.org & I have been delighted by the enthusiasm for our recent paper and the interest in community-building, so we're holding a meetup Mon Jan 12 @ noon ET!
cornell.zoom.us/meeting/regi...