The billboards seek to capitalize on the ongoing scandal over the IRS's targeting of conservative groups and criticize Democrats for giving the IRS a major role in ObamaCare. Republicans say a big part of their planned ObamaCare attacks heading into the next election will focus on the role the unpopular IRS has in the law's impending implementation.

The targets: Reps. Ron BarberRonald (Ron) Sylvester BarberPrinciples and actions mean more than Jeff Flake’s words Giffords to lawmakers avoiding town halls: 'Have some courage' Ten House seats Dems hope Trump will tilt MORE (D-Ariz.), Ann KirkpatrickAnn KirkpatrickGold Star father attacked by Trump steps up role in Dem primaries House Dems highlight promising new candidates Vulnerable House incumbents build up war chests MORE (D-Ariz.), John BarrowJohn Jenkins BarrowOur democracy can’t afford to cut legal aid services from the budget Dem files Ethics complaint on Benghazi panel Barrow thanks staff in farewell speech MORE (D-Ga.) and Collin Peterson (D-Minn.). Barrow voted against ObamaCare when it was passed into law, while Barber wasn't in Congress at the time.