Cooperation among law enforcement agencies is critical to many investigations, experts say. After a series of shootings by ...

While recording ICE is within the public’s First Amendment rights, the DHS says posting videos and photos of agents online is ...

The Department of Homeland Security posted a clip of the video on social media and said it was taken by the agent, who killed ...

Amazon is developing 911 call centers operated by AI across the country. NBC News’ Gadi Schwartz tours an emergency call center to see how the technology works and ...