From the Archives: Episode Four

A photo of Norma Lundeen, widow of U.S. Senator Ernest Lundeen

A transcript of Norma Lundeen's speech defending her late husband, given on NBC News radio.

Sen. Ernest Lundeen delivers a speech under a swastika banner to the Board of Trade for German-American Commerce on March 20, 1940.

A memo from Sen. Ernest Lundeen's files, describing his participation in an event for the Board of Trade for German-American Commerce, where he would deliver a speech under a swastika banner. The memo says Nazi agent George Sylvester Viereck made the arrangements for Lundeen.

A check written out to Sen. Ernest Lundeen -- via his secretary Harriet Johnson -- for appearing at the event for the Board of Trade for German-American Commerce. Lundeen was paid $200, roughly $4,000 today.

A letter from NBC Vice President Frank M. Russell addressed to Mrs. Ernest Lundeen in which he claims to have removed specific mentions of her late husband from broadcasts on two occasions.

An undated photo of George Sylvester Viereck. Viereck was paid by the Hitler government in Germany to spread fascist propaganda and disinformation throughout the United States.

An entry from Sen. Ernest Lundeen's calendar on February 3, 1939. At 4 P.M., Sen. Lundeen was scheduled to meet with George Sylvester Viereck, a paid agent of the Hitler government.

An entry from Sen. Ernest Lundeen's calendar on April 5, 1940. At 7:30 P.M., Sen. Lundeen was scheduled to have dinner with George Sylvester Viereck, a paid agent of the Hitler government.

A telegram to Sen. Ernest Lundeen from paid Nazi agent George Sylvester Viereck.

Material from paid Nazi agent George Sylvester Viereck sent to Sen. Ernest Lundeen.

A telegram from George Sylvester Viereck to Sen. Ernest Lundeen, dictated to Lundeen's wife Norma.

Sen. Ernest Lundeen writes to George Sylvester Viereck, telling him he is in desperate "need of funds" and is seeking to receive payment for an article they collaborated on together.

George Sylvester Viereck writes to Sen. Ernest Lundeen, asking for a copy of the Congressional directory.

George Sylvester Viereck responds to Sen. Ernest Lundeen's request for passages of Adolf Hitler's "Mein Kampf."

George Sylvester Viereck asks Sen. Ernest Lundeen to send him copies of a speech from the Congressional record.

George Sylvester Viereck thanks Sen. Ernest Lundeen for the copy of his speech from the Congressional Record, and discusses the draft of a speech he is preparing for Lundeen.

George Sylvester Viereck asks Sen. Ernest Lundeen for copies of his speech from the Congressional record.

Sen. Ernest Lundeen sends the copies of his speech requested by George Sylvester Viereck.

George Sylvester Viereck writes to Norma Lundeen after the death of her husband, Sen. Ernest Lundeen.

A photo of George Sylvester Viereck's U.S. passport. Viereck was born in Munich and became a U.S. citizen in his mid-twenties.

The front of George Sylvester Viereck's press pass to the 1938 Reichsparteitag rally.

The back of George Sylvester Viereck's press pass to the 1938 Reichsparteitag rally.

A questionnaire filled-out by George Sylvester Viereck, found in his archives.

A to-do list found in George Sylvester Viereck's archives.

Photo of Justice Department special prosecutor William Power Maloney.