In 2024, the Boston Police Department rejected all 15 civil immigration detainer requests from Immigrations and Customs Enforcemen, following the Boston Trust Act. The act limits local police involvement in federal immigration matters, preventing them from detaining people based solely on Immigrations and Customs Enforcement requests. This stance was reaffirmed by Police Commissioner Michael Cox in a recent letter to the City Clerk, as reported by MassLive.

Cox's letter emphasized the Boston Police Department's commitment to following the Boston Trust Act and strengthening community relationships. "The Boston Police Department remains committed to complying with the Boston Trust Act and to building and strengthening relationships and trust with all our communities," he wrote. The department declined 15 Immigrations and Customs Enforcement detainer requests in 2024, down from 19 the previous year but up from 2022 and 2021. Most of these requests were in Dorchester (C11 district), followed by Mattapan (B3 district) and Jamaica Plain (E13 district), as stated by MassLive.

In response to President Trump’s re-election and his focus on deportations, Boston Mayor Michelle Wu rejected the idea of helping with federal immigration enforcement. She stated, "The Boston Police Department remains committed to complying with the Boston Trust Act and to building and strengthening relationships and trust with all our communities." This put her at odds with Tom Homan, Trump’s border czar, who responded, "Either she helps us, or she gets the hell out of the way, because we’re going to do it." Wu’s approach prioritizes community trust and public safety over mass deportations, pointing to reduced gun violence and homicides as evidence of its success, according to Boston Globe.