The ads targeting Christian voters air in four early-voting states on the Fox News Channel.
The Senate Conservatives Fund raised more than $90,000 for three targeted House Republicans.
The American Action Network is hitting conservatives; Club for Growth is fighting back.
The ads will be released in two battleground states.
Julian Hattem 12/19/14 09:37 AM EST
The agency wants campaigns to post more ad spending data online.
Elise Viebeck 10/30/14 09:24 AM EDT
Only 15 percent of Democratic ads related to healthcare mention ObamaCare, researchers found.
Julian Hattem 10/27/14 10:03 AM EDT
Critics worry the FEC could limit free speech on the Web.
Mario Trujillo 10/25/14 05:59 PM EDT
An estimated $2.4 billion could be spent on broadcast ads in the midterm campaign.
Candidates have been using frantic, creative and downright odd pitches.
In the last week alone, 10,800 negative ads aired in the state, more than one per minute.