The only people who can put these people in jail is either a special prosecutor or Eric Holder.
Issa has no authority to put anybody in jail.
Congress has no authority to put anybody in jail except for a citation for contempt of Congress. All that Congress can do is to refer the matter to Justice Department. If you think that's going to result in any prosecutions, then I have a bridge I'd like to sell you.
Then it’s time to charge some people with contempt of congress, jail them, and appoint a special prosecutor, isn’t it.