Two distinct incidents involving the Department of Homeland Security have come to light, highlighting operational and personnel issues within the agency.

A Homeland Security Investigations agent killed a U.S. citizen named Ruben Ray Martinez, but no state or federal agency publicly disclosed the shooting for several months. The incident only became known through a public records request, raising questions about transparency in law enforcement actions involving federal agents.

Separately, Sean Plankey, President Trump's nominee to lead the Cybersecurity and Infrastructure Security Agency, was removed from his position as a senior DHS adviser. Sources confirmed that Plankey's access badge was confiscated and he was escorted out of Coast Guard headquarters on Monday.

Despite being removed from his current advisory role, Plankey remains Trump's official nominee to head CISA, the agency responsible for protecting the nation's critical infrastructure and cybersecurity systems. The circumstances surrounding his removal from the DHS advisory position were not immediately detailed.

The Martinez shooting incident represents part of broader concerns about disclosure practices when federal agents use deadly force. The lack of immediate public notification contrasts with standard practices in many local law enforcement agencies, where officer-involved shootings typically prompt immediate disclosure and investigation protocols.