The Trump administration is gathering evidence of big tech censoring people over their political beliefs ahead of the 2020 election.

On Wednesday the White House urged Americans who’ve been subjected to social media bias due to their political affiliations to come forward and tell their stories.

“SOCIAL MEDIA PLATFORMS should advance FREEDOM OF SPEECH,” the website, launched by the White House, reads. “Yet too many Americans have seen their accounts suspended, banned, or fraudulently reported for unclear ‘violations’ of user policies.”