DENVER, COL.--The Now or Never PAC has become a major player in bolstering Rep. Joe Walsh (R-Ill.) in his battle against Democratic hopeful Tammy Duckworth in the Illinois 8th Congressional District, so far spending so more than $1.3 million on his behalf.

A Federal Election Commission Tuesday filing showed the latest boost for Walsh: a $405,150 Now or Never media buy to run ads against Duckworth on Chicago television.

The Duckworth campaign is trying to keep the Now or Never spot off the air. Sun-Times political reporter Natasha Korecki has been tracking the dispute with the latest HERE.

The PAC has now invested more than $1.3 million in the north suburban 8th congressional district contest, according to FEC records

Sept. 18: $810,150 for media advertising to support Walsh
Sept. 21: 15,000 for media advertising opposing Duckworth
Sept. 21: 17,500 for media advertising support Walsh
Sept. 25: 74,670 for advertising by mail to support Walsh
Oct. 2: 405,150 for media advertising to oppose Duckworth