Last fall, Proskauer attorneys filed an amicus brief on behalf of the American Civil Liberties Union (ACLU) and ACLU of Massachusetts (ACLUM) in Commonwealth v. Arias, SJC-13816. On April 15, 2026, the Massachusetts Supreme Judicial Court issued its opinion in the case, holding that police violated Article 14 of the Massachusetts Declaration of Rights by waiting more than 24 hours to stop Jose Arias after observing him commit a civil traffic infraction while tailing him as part of a drug investigation. The SJC reversed the denial of Mr. Arias’s Motion to Suppress, vacated his conviction, and remanded the case to the Superior Court.
Alexander Guzy-Sprague
Alexander (Zander) Guzy-Sprague is an associate in the Litigation Department.
Zander has experience with matters related to privacy and cybersecurity, media and technology, administrative law and regulatory affairs. He also maintains an active pro bono practice with a focus on election law, reproductive rights and criminal justice.
Zander earned his J.D. from Georgetown University Law Center, where he served as a student attorney in the Georgetown Communications and Technology Law Clinic. In this role, he focused on addressing emerging challenges related to the rise of artificial intelligence in both the public and private sectors. During law school, Zander also interned in the General Counsel’s office of the United States Agency for Global Media.
Prior to law school, Zander worked in news media, academic publishing, and the wine industry in Walla Walla, Washington, where he graduated cum laude with a B.A. from Whitman College.
Proskauer Partners with ACLU to File Amicus Brief Urging the Massachusetts Supreme Judicial Court to Curb Pretextual Stops and Reinforce Constitutional Protections Against Warrantless Arrests
On November 21, 2025, Proskauer attorneys filed an amicus brief on behalf of the American Civil Liberties Union (ACLU) and ACLU of Massachusetts (ACLUM) before the Massachusetts Supreme Judicial Court (SJC) in the case of Commonwealth v. Arias, which presents foundational questions about the protections guaranteed by Article 14…