On November 18, 2022, the ACLU and ACLU of Massachusetts, with the law firms of Thompson & Thompson, P.C. and Elkins, Auer, Rudof & Schiff, filed a petition asking the U.S. Supreme Court to take up the question whether long-term police use of a surveillance camera targeted at a person’s home is a Fourth Amendment search.

The American Civil Liberties Union, the Electronic Frontier Foundation, and the ACLU of Massachusetts have filed a lawsuit against the Department of Homeland Security on behalf of 11 travelers whose smartphones and laptops were searched without warrants at the U.S. border.

On March 25, 2020, the ACLU National Prison Project, ACLU Immigrants Rights Project, ACLU of Massachusetts, and the law firms of Demissie & Church and Graves & Doyle filed Rodas-Mazariegos et al v. Moniz et al in the District of Massachusetts, on behalf of immigrants detained at the Plymouth County Correctional Facility in Plymouth, Massachusetts. The filing followed news that a federal judge ordered the release of a detained class member in the ACLU’s Calderon v. Wolf suit in Plymouth County, citing the “extraordinary circumstances” of the COVID-19 pandemic.