A former Mitt Romney staffer, Katie Packer Gage, founded Our Principles PAC. It’s spent $3.5 million attempting, yet failing, to take down GOP frontrunner Donald Trump in Iowa, New Hampshire and South Carolina.

Apparently out of frustration, Packer is now circulating a three-page memo directing pundits, activists, donors and Republican leaders to use a “playbook” in order to defeat Trump.

“There is an increasing worry among many Republicans that we are about to nominate a candidate who shares none of the values our Party has held dear for decades and who will lead our Party to general election ruin in November,” Packer states. “Many have asked me, ‘What can be done to stop Trump?’ The answer is simple: TRY.”

The Hill reports:

She argues that what will grind Trump down is the cumulative weight of his liberal record — told through his own words — on abortion, healthcare, taxes, financial support for Democrats and other conservative apostasies such as his “use of eminent domain for personal profit.” Packer’s anti-Trump attacks appear to be getting under the GOP front-runner’s skin. After federal election records revealed over the weekend that the billionaire Ricketts family was the chief funder of “Our Principles PAC,” Trump took to Twitter to issue a threat to the GOP mega-donor family. “I hear the Rickets [sic] family, who own the Chicago Cubs, are secretly spending $’s against me,” Trump tweeted on Monday. “They better be careful, they have a lot to hide!”

Her PAC is trying to raise enough money to launch attacks against Trump through Super Tuesday.