Man Indicted for Cincinnati Courthouse Bomb Threat

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A federal grand jury has indicted a man named Robert Mayberry for allegedly mailing a threat to "damage and destroy" the Potter Stewart U.S. Courthouse in downtown Cincinnati last September. Mayberry faces a charge of transmitting a bomb threat, though details about his current whereabouts or custody status are unclear.

Why it matters

Bomb threats against government buildings are taken extremely seriously by law enforcement due to the potential risk to public safety. This indictment highlights the ongoing efforts to identify and prosecute individuals who make such threats, which can disrupt court operations and require costly evacuations and security responses.

The details

According to the indictment, Robert Mayberry is accused of mailing a threat to damage and destroy the Potter Stewart U.S. Courthouse, a federal courthouse located in downtown Cincinnati. The threat was allegedly sent in September of last year, though further details about the specific nature of the threat or Mayberry's potential motives have not been disclosed.

• Mayberry was indicted by a federal grand jury on March 13, 2026.
• The alleged bomb threat incident occurred in September 2025.

What’s next

The judge will determine whether Mayberry will be held in custody or released on bail as the case proceeds.