Jeremy Christenson, a retired Homeland Security Investigations (HSI) agent, revealed how a probe at Minnesota day care centers “went into thin air,” without anything ever coming of it. The man worked for the agency for 16 years.

The Trump administration has begun a massive deployment of hundreds of Department of Homeland Security agents to the Twin Cities area, officials tells CBS News.

It comes amid focus from the Trump administration on historic fraud cases in Minnesota, and a targeting of the Twin Cities' immigrant communities.

A retired Homeland Security Investigations agent recalled looking into fraud at Minnesota day care centers 10 years ago — but said the probe inexplicably “went into thin air” and nothing ever came

NBC News has learned 1,500 enforcement and removal officers and 600 Homeland Security Investigation agents are part of a surge in ICE operations in the state.

Dublin Police clarify their non-involvement in a recent Homeland Security operation where residents were detained then released.

Federal agents with ICE Homeland Security Investigations (HSI) Newark, working alongside local law enforcement, have arrested a Santa Claus

As President Trump’s crackdown on undocumented immigrants intensified, Homeland Security special agents made far fewer drug and weapons arrests than the previous fiscal year, according to internal Homeland Security Investigations data obtained by The New ...

Stanislaus Sheriff and HSI signed an MOU allowing shared offices and databases. Both agencies deny immigration enforcement, but experts warn the MOU lacks limits. Values Act allows task forces but bans use of local resources for federal immigration work.