FBI Arrests Two Men for Setting Off Explosion Inside Harvard Medical School
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FBI Arrests Two Men for Setting Off Explosion Inside Harvard Medical School

04 November, 2025.Crime.42 sources

Key Takeaways

  • Two Massachusetts men, Logan Patterson and Dominick Cardoza, were arrested for the explosion.
  • The explosion was caused by detonating a Roman candle firework inside Harvard Medical School.
  • No injuries or structural damage resulted from the intentional explosion on the fourth floor.

Harvard Medical School Explosion Incident

Early Saturday morning, two men accessed Harvard Medical School’s Goldenson Building via the roof and set off fireworks that led to an explosion on the fourth floor, which houses neurobiology labs and offices.

They allegedly detonated a Roman candle firework

ABC NewsABC News

Multiple outlets report the sequence as lighting a Roman candle outside and placing a cherry bomb inside a locker that exploded.

Image from ABC News
ABC NewsABC News

Surveillance placed the suspects near the building around 2:33-2:45 a.m., and some reports say around 3 a.m.

Authorities stressed there were no injuries and no structural damage.

The Boston Fire Department deemed the blast intentional with no additional devices found.

Arrest Details in Explosion Case

The FBI arrested two Massachusetts residents, 18-year-old Logan David Patterson and 20-year-old Dominick Frank Cardoza, after surveillance footage, public tips, and witness accounts tied them to the blast.

Authorities say the men climbed fences and scaffolding to reach the roof, wore face coverings or masks, and fled after triggering a fire alarm.

Image from Arab News
Arab NewsArab News

Some reports add they discarded clothing to evade identification.

Investigators say the pair filmed or bragged about the explosion, and tips from acquaintances helped lead to swift arrests.

Federal Charges and Case Details

Authorities repeatedly stress that this is a serious federal crime and not a harmless prank.

Penalties for the offense can reach up to five years in prison.

One outlet reports the men were released pending trial with restrictions such as no explosives and no visiting Harvard.

Officials have not disclosed a motive for the alleged crime.

Some coverage notes there is no indication of political ideology behind the act.

Other reports simply state that the motive remains undetermined.

University Explosion Incident

Officials and local media said the blast caused limited damage and no injuries.

The building was cleared for normal use, and there was no ongoing threat to the university.

Image from Associated Press
Associated PressAssociated Press

The Boston Fire Department confirmed the explosion was intentional and a sweep found no additional devices.

Police and first responders reported encountering two people fleeing after a fire alarm.

Some reports noted the building remained fully operational after the incident.

Media Coverage of Harvard Incident

NBC Boston highlighted student unease and linked the incident to wider scrutiny of Harvard.

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Other outlets focused on law-enforcement process or risk.

Global News quoted an FBI official saying the act could have caused serious injury or death if the building were occupied.

Fox News praised the arrests as a coordinated counterterrorism success.

Justthenews kept details sparse pending further information.

The Harvard Crimson reported the FBI announcement of arrests ahead of a U.S. Attorney press conference.

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