Sen. Rand Paul said Friday night he’s filing a class-action lawsuit against the Obama administration over the National Security Agency’s far-reaching data-collection policies.

In an interview on Fox News, the Kentucky Republican said he started the effort aiming it to “apply to millions of people … to say ‘No, you can’t have our records without our permission’.”

Paul said the “potential for the abuse exists” in the spy agency’s massive collection of cell phone data, including data from millions of unwitting Americans.

“We now have an administration … that has used the IRS to go after people,” he told Fox News. “… we wonder if they would use the [National Security Agency] that way… Even if a president isn’t going to abuse the power …. I’m concerned the president thinks he has the power.”

The announcement came on the same day the top-secret Foreign Intelligence Surveillance Act court reauthorized the NSA to haul in phone records in bulk for 90 more days.

Read More: