But, he said, his Republican challenger, Mac Collins, "had a staff that was willing to say virtually anything, utterly untroubled by fact and truth, a total end-justifies-the-means mentality."
One conservative Republican, Mac Collins of Georgia, has indicated that he will vote against the bill.
He served as Mac Collins's legal staffer for eight years, focusing on tax and budget policy, transportation, energy, defense and veteran affairs.
Mr. Marshall won his race against his Republican challenger, Mac Collins, by more than 1 percent, 1,752 votes.
The mailing came from the campaign of Mac Collins, 59, a six-term congressman who represents the area south of Atlanta.
They were opposed respectively by former Representatives Mac Collins (who previously represented what is now the Third district) and Max Burns.
Cain sought the Republican nomination, facing congressmen Johnny Isakson and Mac Collins in the primary.
So I ask you now, on Nov. 7, vote for Mac Collins to be your congressman.
Mac Collins doesn't vote that way.
Mac Collins will vote for Denny Hastert, a Republican, to be speaker of the House.