Former President Donald Trump has pleaded not guilty to 37 charges related to alleged mishandling of classified documents.

Trump’s lawyers asked for a jury trial during the former president’s arraignment Tuesday at a federal courthouse in Miami. “We most certainly enter a plea of not guilty,” Trump attorney Todd Blanche told the judge.

During the hearing, Trump sat hunched over with his arms crossed and a scowl on his face. He did not speak.

Trump’s aide and co-defendant, Walt Nauta, was also arrested, fingerprinted and processed. He had an initial appearance Tuesday but will not be arraigned until June 27.

Here’s what else happened at Tuesday’s hearing, which ended after roughly 45 minutes:

The criminal charges in the Justice Department’s classified documents case escalates the legal jeopardy surrounding the 2024 GOP front-runner. Special counsel Jack Smith attended Tuesday’s arraignment.

Trump faces 37 felony counts, alleging he illegally retained national defense information and that he concealed documents in violation of witness-tampering laws in the Justice Department’s probe into the materials.