An Indiana man has been arrested for allegedly making a social media threat to the United States Naval Academy in Annapolis, which led to a campus lockdown last week, according to the Federal Bureau of Investigation (FBI).

Chesterton, Indiana Man Arrested for Threat to United States Naval Academy

Investigated by @FBIBaltimore @FBIIndianapolis and @RealNCIS with assistance from the @PorterCountySO .

Read the @USAO_NDIN release: https://t.co/doKkR7WJjB pic.twitter.com/W4CCM2KdCW — FBI Baltimore (@FBIBaltimore) September 16, 2025

Jackson Fleming, 23, of Chesterton, Indiana, was arrested Sept 12 on suspicion of sending an online threat through a social media application, the FBI said. Jackson is a former midshipman, according to our media partner, The Baltimore Banner.

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