A Mexican man accused of stabbing three people, including two children who died of their injuries, is in the U.S. illegally, federal authorities confirmed to Fox News Digital on Friday.

Victor Manuel Gomez-Acosta, a Mexican illegal immigrant, was charged with two counts of first-degree intentional homicide, attempted first-degree homicide and operating under the influence after being arrested in Abbotsford, Wisconsin.

The Colby-Abbotsford Police Department said that two children were found dead at the scene with stab wounds, while an adult woman was also stabbed but was given medical care. Gomez-Acosta was found inside the residence and was apprehended. He was later transported to a medical center after police found self-inflicted stab wounds.

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According to WQOW, the victims are Gomez-Acosta’s wife and daughters. The outlet, citing the criminal complaint, reported that the children were found in one of their bedrooms. One had been stabbed 16 times and the other 20 times. His wife was reportedly stabbed approximately 17 times, with one of the wounds cutting her vocal cords.

Immigration and Customs Enforcement (ICE) confirmed to Fox News Digital that Gomez-Acosta is in the country illegally and that it has placed a detainer on him following his arrest on July 9. A detainer is a request that, once released from custody, he be transferred to ICE for deportation.

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Gomez-Acosta entered the U.S. legally in Sept. 2016, via the port of entry in Laredo, Texas. However, according to the agency, he failed to depart at the time specified as part of his entry conditions.

The arrest comes days before the Republican National Convention, which is being held in Milwaukee. Illegal immigration and border security are expected to be top issues for speakers and delegates, and both have been shown to be top priorities for voters ahead of the November election.

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Republicans have blamed the Biden administration for fueling the ongoing border crisis, which has set record numbers over the past three years. They blame policies including the narrowing of ICE enforcement and the rolling back of Trump-era policies like wall construction and the Remain-in-Mexico policy.

"Time and time again, we have seen the tragic consequences of Joe Biden’s border crisis; yet, the president refuses to reverse course," Rep. Tom Tiffany, R-Wis., told Fox News Digital. "No town is immune, even our towns up north in Wisconsin are feeling the horrific impact."

The Biden administration has said it is dealing with a hemisphere-wide crisis which needs funding and reforms from Congress to fix what it says is a "broken" immigration system. It has pointed to efforts it has made in lieu of that action, including a recent executive order which has limited entries and seen a short-term reduction of 40%. It has also said that a majority of all southern encounters during the past three fiscal years have resulted in a removal, return or expulsion.

As the NATO summit drew to a close Thursday, signs the contentious U.S. presidential race was just kicking off became increasingly clear as President Biden and former President Trump used the international event as an opportunity to bolster their campaigns.

Speaking with Fox News’ Brian Kilmeade, NATO Secretary General Jens Stoltenberg refused to credit just one man when it comes to the jump in GDP defense spending that NATO nations have made in 2024. Twenty-three of the 32 allies have now met their 2% commitments. 

"Former President Trump had a very clear message that the European allies had to pay more. This has been a message from consecutive U.S. administrations, and this message has had an impact," Stoltenberg said. 

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Trump and Biden have pointed to the record number of NATO nations hitting their GDP defense spending commitments, first pledged in 2006, as significant accomplishments of their corresponding presidencies.

Trump has been vocal in saying he forced NATO allies to pony up during his tenure. 

The number of allies to meet their spending commitments did increase to nine in 2020 from the five nations who met their commitments in 2016 when he entered office. That number dropped to six once he left in 2021.

The greatest jump in NATO defense expenditure occurred this year when, for the first time ever, 23 of the 32 nations under the alliance met their spending agreements.

Supporters of Trump point to the war in Ukraine, not the Biden administration, as the main driving force behind this jump in European defense spending.

Canada, which has garnered years of scrutiny for its apparent refusal to meet its defense spending commitment, announced Thursday it would finally fulfill its 2% spending pledge by 2032. 

But it is unclear if all the alliance is truly satisfied with this promise, particularly as smaller NATO nations have not only met their agreements but spend well beyond the 2% limit, including Estonia, Latvia and Lithuania, all of which share a border with Russia.

The eight other countries that fall short of their spending goals are Croatia, Portugal, Italy, Belgium, Luxembourg, Slovenia and Spain. Iceland is exempt from the 2% commitment as it does not have a standing military.

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Several international officials expressed concern this week that the 2% spending commitments agreed upon nearly two decades ago no longer reflect the realistic needs of the alliance in the face of increasingly aggressive authoritarian regimes like Russia, China, Iran and North Korea. 

"We must be clear-eyed about the challenges ahead, and yet not allow fear to make us waver. We are at an inflection point. The choices we make now will decide the future of Ukraine, Europe and this alliance," Lithuanian Foreign Minister Gabrielius Landsbergis said Thursday. "Ukrainians clearly understand the existential nature of this war.

"The rest of us — unfortunately — are still battling with the obstacles of our own creation. We still have to change our peacetime mentality and finally make our spending on defense reflect the threat we face."

In an interview with John Roberts, the co-anchor of "America Reports," Finnish President Alexander Stubb noted, "I would actually like to give Trump credit because I think he was right on the 2% limit. And, look, in 2014, out of the allies, only three reached that level. I think in 2018 it was something like ten. Now it's 23. Would that have happened if Trump hadn't pushed for it? I don't think so. Would it have happened without circumstance? Probably not."

U.K. Defense Secretary John Healey, who was appointed just one week ago after a landslide election for the Labour Party, said the new administration would be working to increase NATO spending commitments.

"I think everyone will draw encouragement from the fact that, for the first time, we've now got 23 of the 32 nations meeting that 2%. We’re pushing towards 2.5%," Healey said in reference to the U.K.’s current spending. "I think any assessment of the growing threats that we face and the global instability suggests that all NATO nations are going to need to do more than simply 2%."

On Thursday, Biden championed other efforts he’s made to strengthen NATO, like adding Finland and Sweden to the alliance. 

"Foreign policy has never been his strong point. And he seems to have an affinity to people who are authoritarian," Biden said in reference to Trump.

Speaking at a news conference following the NATO summit, Biden told reporters, "I’m not having any of my European allies come up to me and say, ‘Joe, don’t run.’ 

"What I hear them say is, ‘You’ve got to win. You can’t let this guy come forward. He’d be a disaster. He’d be a disaster.'" 

When pressed by Fox News about sentiment toward the U.S. presidency among allied nations, Stoltenberg said, "NATO is the most successful alliance in history because we have been able to stay out of domestic politics.

"It's not for NATO to have any opinion about who is going to be elected as next president or prime minister in an allied country."