A super-PAC backing Republican presidential front-runner Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE on Thursday released a new television ad bashing Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE (R-Texas) less than one week before Wisconsin’s GOP presidential primary.

Great America PAC’s ad, first reported by CNN, accuses Cruz of expanding amnesty for illegal immigrants and softness toward dangerous Syrian refugees.

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“I want to protect my family,” a woman said in the spot, appearing in a kitchen with two children.

“Paris, San Bernardino and now Brussels?” she asked, citing recent terrorist attacks. "I want a president that will keep us safe. We need to control our borders and stop letting in dangerous people. Trump will do that.

“And Ted Cruz? He wanted to let in more Syrian refugees and give more amnesty to illegal immigrants. That won’t protect my family. Donald Trump will.”

CNN on Thursday reported that the commercial will run both nationwide and across Wisconsin before its critical voting contest next week.

“We have seen such a huge groundswell of Americans that want to help grow the movement around the Trump campaign that we felt compelled to lay the groundwork for the outside effort Republicans will need to win the White House and lengthen Mr. Trump’s coattails to protect our majorities in Congress,” said Jesse Benton, a spokesman for the group.

Cruz leads Trump by 3 percentage points before Wisconsin’s voting contest next Tuesday, according to the latest RealClearPolitics average of polls.

Trump remains the GOP front-runner nationwide, owning a nearly 11-point lead over Cruz and Gov. John Kasich (R-Ohio).