Articles Posted in Massachusetts Criminal Decisions

AI Evidence and Deepfakes in Massachusetts Criminal Cases: Authentication, Daubert-Lanigan, and the Defense Playbook
Serpa Law Office

By Attorney Joe Serpa | Georgetown University Law Center | 30 Years Massachusetts Criminal Defense Artificial intelligence has entered Massachusetts criminal courtrooms from two directions at once. Digital evidence offered against a defendant, a screenshot, a voice recording, a video, can now be fabricated with consumer software, which puts authenticity in play in cases where…

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Massachusetts Firearms Deadlines in October 2026: Serialization, Registration, and How to Avoid a Criminal Charge
Serpa Law Office

By Attorney Joe Serpa | Georgetown University Law Center | 30 Years Massachusetts Criminal Defense Massachusetts firearms owners face two separate compliance deadlines in October 2026, and much of the confusion in circulation comes from running them together. Under 501 CMR 20.00, the regulation implementing M.G.L. c. 140, § 121C, every firearm, frame, or receiver…

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Greater Boston Criminal Law Alerts

Improper Closing Argument in a Domestic Violence Trial: Commonwealth v. Pena

The Massachusetts Appeals Court has vacated a domestic violence conviction because of the prosecutor’s closing argument. In Commonwealth v. Pena, No. 24-P-0970 (Mass. App. Ct. July 24, 2026), the court set aside a Boston Municipal Court jury verdict for assault and battery on a family or household member, holding that a closing argument that vouched…

When a Traffic Stop Must End: Commonwealth v. Steward and the Limits of Prolonged Detention

The Massachusetts Appeals Court has reversed the denial of a motion to suppress in a District Court drug case, holding that a detective unlawfully prolonged a traffic stop after the justification for the stop had run out. In Commonwealth v. Steward, No. 25-P-0015 (Mass. App. Ct. July 23, 2026), the court ordered the suppression of…

The Appeals Court Vacates a 209A Order Based on Coercive Control: V.B. v. B.W.R.T.

The Massachusetts Appeals Court has issued an early decision applying the coercive control definition that the Legislature added to the abuse prevention statute in 2024. In V.B. v. B.W.R.T., No. 25-P-1086 (Mass. App. Ct. July 24, 2026), the court vacated a 209A order that a District Court judge had issued on a coercive control theory,…