WaPo:
Prosecutors allege the torch carriers violated a rarely enforced criminal statute, which makes it a crime to burn objects with intent to intimidate
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But the case took nearly six years to get to the grand jury. [The elected prosecutor in office at the time] declined to seek charges against the torch carriers.
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“He was voted out of office,” [a professor] said. “The voters replaced him, and one of [the current elected prosecutor's] promises — if you look at his campaign material, he said that he thought these charges should be brought.”