Disclosure by the FBI to Congress answers a long-simmering question but does not reveal what the agents did that day. The FBI has acknowledged it had 274 plainclothes agents in the massive crowds on Jan. 6, 2021, more than four and a half years after questions were first raised about the level of FBI involvement that day, Blaze News has learned. A senior congressional source said the number is not necessarily a surprise, since the FBI often embeds countersurveillance personnel at large events. But given the FBI’s until-now steadfast refusal to disclose the level of its presence at the Capitol,...