Federal prosecutors on Tuesday were unable to persuade a grand jury to approve a felony indictment against a man who threw a sandwich at a federal agent on the streets of Washington this month, according to two people familiar with the matter.

The grand jury's rejection of the felony charge was a remarkable failure by the U.S. attorney's office in Washington and the second time in recent days that a majority of grand jurors refused to vote to indict a person accused of felony assault on a federal agent. It also amounted to a sharp rebuke by a panel of ordinary citizens against the prosecutors assigned to bring charges against people arrested after President Trump's deployment of National Guard troops and federal agents to fight crime and patrol the city's streets.

The rejection by grand

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