Harvard Police Department
File Photo | Photo by Alex Vucha.

Police and federal authorities are investigating after a Harvard man reportedly made social media threats about using guns and homemade explosive devices.

The Harvard Police Department received a report around 7:20 a.m. Monday regarding a 24-year-old Harvard man who was possibly making and in possession of homemade explosive devices.

The person who reported it also said that the man was in possession of an unknown amount of firearms and ammunition despite him having a revoked Firearm Owners Identification (FOID) card, according to Harvard Deputy Police Chief Tyson Bauman.

Police learned that the man allegedly made social media threats about setting off the devices at unspecified locations, according to Bauman.

“A multi-jurisdictional investigation was immediately conducted with the assistance of Agents from the Bureau of Alcohol, Tobacco, Firearms and Explosives and the assistance of McHenry County Animal Control and the Harvard Fire Protection District,” Bauman said.

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“The scene which was located in the 1400 block Northfield Court has been deemed secure and safe. At no time were residents in the area in danger,” Bauman said.

Officials said the investigation remains active and declined to release any further information, adding that additional details are expected to be released late Monday evening.