Key Facts

• An FBI agent was suspended for refusing to take part in a "perp walk" for James Comey.
• James Comey, former FBI director, has been charged with lying to Congress and obstructing a congressional proceeding.
• A "perp walk" is when police publicly escort a person accused of a crime, often for media exposure.
• The charges against Comey were filed just before the five-year time limit for prosecution would expire.
• Donald Trump has been critical of Comey since firing him in 2017 during an investigation into Russian election interference.
• Trump's appointee, Lindsey Halligan, had recently become the top prosecutor in the area before Comey's indictment.
• The plan to use FBI agents for Comey's court appearance remains uncertain, with his attorneys planning to accompany him instead.