[4] In 2012, the special counsel for the Massachusetts Supreme Judicial Court noted that Guzman had acquitted all 149 defendants who appeared before her in bench trials on drunk driving charges.

The report, which did not allege judicial misconduct, called for reform of procedures to ensure that lawyers did not engage in judge shopping.

President Biden nominated Guzman to the seat vacated by Judge Timothy S. Hillman, who assumed senior status on July 1, 2022.

[8] Conservatives and law enforcement attacked her nomination, claiming that she is reflexively pro-criminal defendant and pointing out that Guzman had acquitted all 149 defendants who appeared before her in bench trials on drunk driving charges while serving as a judge on Dudley District Court.

[10] On January 3, 2023, her nomination was returned to the President under Rule XXXI, Paragraph 6 of the United States Senate; she was renominated later the same day.