The United States Congress is outraged because Russia appears to have imprisoned, tortured, and murdered a whistleblower. Meanwhile George W. Bush and Richard B. Cheney are selling books in which they openly confess to the crime of war and all that comes with it, including lawless imprisonment and torture.
Tell Congress to punish Bush and Cheney first!
Freeze their assets. Ban their travel. Impeach them, convict them, and remove their pensions while banning them from ever again holding federal office. Censure them. Expose the evidence. Refer criminal prosecutions to the Department of Justice.