John L. Calcagni, III

Attorney Calcagni is a highly accomplished criminal defense trial attorney known for his extensive courtroom experience and strategic advocacy in complex and high-stakes matters. Drawing on a distinguished background in public service, he brings a prosecutor’s insight and a trial lawyer’s precision to every case he handles.

Prior to entering private practice, Attorney Calcagni served as a military prosecutor in the U.S. Army JAG Corps and as a Special Assistant U.S. Attorney with the U.S. Department of Justice and the U.S. Attorney’s Office for the Northern District of New York. These roles provided him with substantial investigative and trial experience at both the military and federal levels.

As a former federal prosecutor, Attorney Calcagni prosecuted countless cases involving charges of drug use, drug possession, drug distribution, and drug trafficking; simple and domestic assault; battery; assault and battery; domestic battery; felony assault; assault with deadly weapons; assault with dangerous weapons; gang-related assault; manslaughter; murder; attempted murder; possession of child pornography, receipt of child pornography, manufacture or creation of child pornography and distribution of child pornography; solicitation of minors and indecent solicitation of minors; child abuse; child molestation, rape; sexual assault; statutory rape; indecent assault; indecent assault and battery; weapons-related charges; firearms charges; burglary; breaking and entering; robbery; theft of government property; possession of bomb-making materials; terrorism-related offenses; fraud; identity fraud; larceny; destruction of property; financial crimes; traffic violations; driving while under the influence of alcohol or drugs; trespassing; conspiracy; and attempt-related offenses.

Today, Attorney Calcagni leverages his background as a federal prosecutor to defend clients facing criminal charges in state, federal, and military courts. With more individual trial experience than many attorneys in the field, he has earned a strong reputation for achieving favorable outcomes, including not guilty verdicts, acquittals, and reduced sentences in even the most serious and challenging cases.

He is admitted to practice in state and federal courts in Rhode Island, Massachusetts, New York, Connecticut, and Florida, as well as in multiple U.S. District Courts nationwide. Attorney Calcagni is also admitted before the U.S. Courts of Appeals for the First and Second Circuits and the Supreme Court of the United States.