It's the most direct marshaling of firepower by Sanders allies to knock her out of office.
A DCCC spokeswoman said it was similar to the DNC breach.
The new website is called "I'm with Careless," a reference to Clinton's email woes.
Recently elected Rep. Warren Davidson now has no Democratic opponent.
Mike Lillis 07/25/16 05:10 PM EDT
The party will provide technical and logistical support to Wasserman Schultz.
Two major conservative donor groups are lined up on opposite sides of an unusual primary fight.
The NRCC raised $47.6 million for the first half of 2016, boosted by Paul Ryan's efforts.
“Show me the data,” Rep. Greg Walden said.
A law professor raised $400,000 more than the DNC chair over the last three months.
Duke is mulling a primary challenge to House Republican Whip Steve Scalise.