The Trump administration is starting to turn over personal data to immigration authorities to aid its crackdown on undocumented immigrants living in the country.

The Associated Press reported today, the administration is giving ICE access to data of nearly 80 million people enrolled in Medicaid.

And a new report by ProPublica finds the Internal Revenue Service is building a computer

program that would give immigration agents unprecedented access to sensitive taxpayer data,

including home addresses. For more on this, we are joined by one of the reporters on that story.

Christopher Bing is Technology and National Security Reporter at ProPublica.

Christopher, thank you so much for being here.

Layout for us what you discovered. What kind of data does the IRS have, and why does DHS want it?

The IRS is really seen within the government as sort of the holy grail when it comes to data.

It has a ton of personal identifiable information for the vast number of Americans and also undocumented people that live in this country.

And that information includes home addresses, familial relations, employment and information.

It also includes information about their banking and financial situation.

And so in the hands of immigration enforcement officers,

it could really be a treasure trove.

For people who might be surprised by this,

people who are undocumented in the U.S. are paying taxes,

and thus their data is with the IRS?

That's exactly right. Yeah. The IRS really encourages everyone in the United States who makes an income to pay taxes, and that includes undocumented immigrants. And there's a whole separate

category for immigrants to file taxes. And historically, the way it's been viewed is that

these immigrants would pay taxes

in the hopes that it would help them in immigration court. It would show their life here,

the fact that they're paying taxes, that they're following the law, and they actually viewed

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