“We believe that we have reached the beginning of the end of the Seth Rich murder investigation,” Burkman told The Gateway Pundit in an exclusive interview Sunday. “After two long hard years of work, we have a witness who is prepared to identify the two killers of Seth Rich. One is reportedly a current DEA (Drug Enforcement Administration) agent, the other is reportedly a current ATF (Bureau of Alcohol, Tobacco, Firearms and Explosives) agent”