Conservatives who have speculated that federal agents or informants may have helped provoke the Capitol riot are not satisfied with the Jan. 6 House select committee’s statement that Ray Epps, a provocateur at the center of the theory, testified that he was not an informant or agent.

Their continued skepticism set off a flurry of criticism from Illinois Republican Rep. Adam Kinzinger, one of two Republicans on the committee appointed by House Speaker Nancy Pelosi.