NEW YORK, NEW YORK - JUNE 09: The badge of an Immigration and Customs Enforcement (ICE) agent is seen as they patrol the halls of immigration court at the Jacob K. Javitz Federal Building on June 09, 2025 in New York City. Federal agents are arresting immigrants during mandatory check-ins, as ICE ramps up enforcement following immigration court hearings. The Trump administration has ordered officials to increase detentions to 3,000 migrants per day. (Photo by Michael M. Santiago/Getty Images)
Video Ad Feedback
Why a developer created this app to alert ICE sightings

Joshua Aaron, a musician and developer, created an app called ICEBlock, where people can post sightings of U.S. Immigration and Customs Enforcement officers across the country. CNN's Clare Duffy speaks to Aaron about what motivated him to create the application and the efforts he has made to keep it accurate and prevent it from identifying users.

3:27 • Source: CNN
US News 8 videos
NEW YORK, NEW YORK - JUNE 09: The badge of an Immigration and Customs Enforcement (ICE) agent is seen as they patrol the halls of immigration court at the Jacob K. Javitz Federal Building on June 09, 2025 in New York City. Federal agents are arresting immigrants during mandatory check-ins, as ICE ramps up enforcement following immigration court hearings. The Trump administration has ordered officials to increase detentions to 3,000 migrants per day. (Photo by Michael M. Santiago/Getty Images)
Video Ad Feedback
Why a developer created this app to alert ICE sightings
3:27
Now playing
• Source: CNN
260107_Josh Campbell.00_00_07_21.Still001.jpg
Multiple angles show Minnesota ICE shooting
1:14
Now playing
• Source: CNN
still_22257770_0_thumb.jpg
Video Ad Feedback
Minneapolis Mayor Jacob Frey tears into DHS and ICE after woman is fatally shot by agent
8:19
Now playing
• Source: CNN
CNN EBOF aircheck screenshot 1.7.26 Heller.jpg
Witness to ICE agents: 'you shot her in the f**king face'; says: 'I can't let this narrative of self-defense go any further'
6:52
Now playing
• Source: CNN
CNN EBOF aircheck screenshot 1.7.26.jpg
Noem claims Minneapolis ICE shooting was result of 'act of domestic terrorism'; police chief responds
7:31
Now playing
• Source: CNN
thumb_22254914_5500707.973999999_thumb.jpg
Video Ad Feedback
DHS Secy. Kristi Noem says officer in shooting "followed his training"
5:04
Now playing
• Source: CNN
thumb_22254914_4624994.029_thumb.jpg
Video Ad Feedback
Sen. Thom Tillis: Stephen Miller needs to know 'what he's talking about or get out of this job'
1:36
Now playing
• Source: CNN
still_22256938_10574.197_still.jpg
'You've done enough': Gov. Waltz shares message for Trump and Noem
2:39
Now playing
• Source: CNN