A man has been arrested for allegedly manufacturing explosive devices and strategically placing them around the bustling city of New York, including on a subway track. Michael Gann, a resident of Long Island, was taken into custody last month in connection with an attempt to detonate several homemade explosives across Manhattan, as announced by federal prosecutors this week. The arrest came after Gann purportedly positioned one explosive on a subway track at the Williamsburg Bridge on June 5, 2025. Authorities further revealed that the 55-year-old suspect placed five more explosive devices and a quantity of shotgun shells on the roof of a residential building in the SoHo neighbourhood.
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The Justice Department disclosed that Gann’s alleged activities first came to light on June 5, though the specifics of how law enforcement was alerted remain unclear. A federal indictment unveiled a security camera image exhibiting Gann holding a bag while walking on the rooftop, as authorities believe he planted five of the explosives there. The Justice Department’s investigation unearthed that in May, Gann had procured around two pounds of potassium perchlorate, a pound of aluminum powder, over 200 cardboard tubes, and 50 feet of fuses. These components were purportedly used by Gann to assemble at least seven explosive devices, with one containing an excessive amount of explosive powder, far beyond the legal limit for consumer fireworks.
Upon Gann’s apprehension, authorities discovered a seventh explosive device in his possession. Subsequently, he allegedly misled law enforcement by falsely claiming he had disposed of the remaining explosives in a dumpster elsewhere in Manhattan. Investigations into Gann’s internet activity revealed numerous searches related to acquiring firearms and explosive materials over the two months leading up to his arrest. Moreover, on the morning before placing the first explosive device on the subway track, Gann cryptically posted on Instagram, posing the question, “Who wants me to go out to play like no tomorrow?”
Gann now faces charges including attempted destruction of property with an explosive, transporting explosive materials, and unlawful possession of destructive devices. The offences come with varying sentence lengths, with the former carrying a mandatory minimum of five years in prison and the latter two charges each carrying a maximum of 10 years. U.S. Attorney Jay Clayton emphasised the significance of public safety in light of the incident and recognised the rapid response of law enforcement in preventing potential harm. Efforts to reach Gann’s legal representation for comment were unsuccessful at the time of reporting.
The arrest of Michael Gann serves as a sobering reminder of the vigilance required to safeguard communities against potential threats. Such incidents underscore the critical role played by law enforcement in swiftly responding to and neutralising dangerous situations. The episode also highlights the importance of ongoing surveillance and intelligence gathering to identify and thwart potential security risks before they escalate. As the case progresses through the judicial system, the focus remains on ensuring justice is served while also reflecting on the broader implications for public safety and security measures.