Two men get probation for setting off firework inside Harvard Medical School lab
A 19-year-old from Plymouth and a 21-year-old from Bourne were ordered to pay Harvard Medical School $28,517 after pleading guilty to a conspiracy charge over the explosion early on Nov. 1, 2025.
Two Massachusetts men who admitted setting off a large commercial firework inside a Harvard Medical School research laboratory have been sentenced to three years of probation, the U.S. attorney's office in Boston said Friday.
Logan David Patterson, 19, of Plymouth, Mass., and Dominick Frank Cardoza, 21, of Bourne, Mass., were also ordered by U.S. District Judge Angel Kelley to pay $28,517 in restitution to the medical school, prosecutors said. Both pleaded guilty in April to one count each of conspiracy to damage a building with an explosive. They were arrested and charged in November 2025.
According to prosecutors, surveillance cameras at Huntington Avenue and Longwood Avenue in Boston recorded the two men, wearing face coverings and dark clothing, walking toward the medical school campus at about 2:23 a.m. on Nov. 1, 2025. About a minute later, prosecutors said, video showed them lighting what appeared to be Roman candle fireworks.
At about 2:33 a.m., the men climbed a chain-link fence into a construction area around the Goldenson Building and then climbed scaffolding to reach the roof, prosecutors said. At about 2:45 a.m., campus police received a fire alarm from an explosion on the building's fourth floor, which houses a research laboratory in the school's Department of Neurobiology. Investigators determined the men had set off the firework inside a wooden locker in the lab, according to the U.S. attorney's office.
Security footage then showed the pair going to the fifth floor before leaving through a first-floor emergency exit and running off in opposite directions, prosecutors said. They took off and threw away clothing they had worn on campus and returned to the nearby Wentworth Institute of Technology, where they had been visiting for Halloween social events, according to prosecutors.
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