What did top cabinet officials and key members of Congress know about the president’s scheme?

Congress and the public have a long list of open questions that deserve to be answered.

There's plenty to investigate as we approach the end of 2019 — Ukraine-related and otherwise.

The power of impeachment exists to check a president who refuses to recognize the constitutional separation of powers.

Emails obtained by American Oversight provide a glimpse of how a senior adviser at ICE has worked with Miller to promote harsh anti-immigration policies.

We read between the lines of Yovanovitch and McKinley's testimony — here are eight takeaways and clues about documents that we're using in our ongoing investigation.

In the past, Congress has cited obstruction of oversight as a basis for impeaching a president.

An impeachment investigation is absolutely warranted in light of the extraordinary allegations about President Trump's dealings with Ukraine.

American Oversight has uncovered documents bolstering reports of coordination between the office of Transportation Secretary Elaine Chao and the office of Senator Mitch McConnell.

This spring, a federal judge rejected a Trump administration argument for withholding communications about weakening the Affordable Care Act. Now the administration is appealing that decision.