Law enforcement agencies around the United States are now on high alert for potential acts of terrorism following the ...

Senior FBI and Homeland Security officials hosted conference calls with some of the nation's governors and top law ...

In video you'll only see on 12News, HSI agents are outside of a Tempe home where the garage door is ripped off. Protesters ...

The Department of Homeland Security issued an advisory June 22 warning Americans cyber attacks are likely, and violence in ...

National security experts raise alarm about potential Iranian sleeper cells in the US following military strikes on Iran's nuclear sites, citing border security concerns.

Iran has often targeted U.S. digital systems. Last year, Iranian hackers pilfered and distributed sensitive documents from ...

Iran's previous attacks on U.S. systems include last year's theft of sensitive documents from the Trump campaign.

The United States Department of Homeland Security (DHS) issued a threat summary in a National Terrorism Advisory System Bulletin Sunday following Saturday's strikes on three key-nuclear facilities in ...

Before President Trump ordered U S strikes on Iranian nuclear facilities, law enforcement officials quietly ramped up ...

Former Homeland Security enforcement officer indicted for possession and distribution of child sexual abuse material.

ICE, CBP, HSI. Various agencies are involved in the immigration actions in Los Angeles. Who are they and what are their roles ...