A Texas man, suspected in a 2021 cold case, was arrested last week for the deadly stabbing of a victim in Austin before being released on bond four days after he was booked into jail.

Mithovar Christopher Antoine Jr., now 22, is accused of fatally stabbing Nikolas Martinez, 23, near the victim's apartment complex in South Austin in July 2021, according to Fox 7.

Martinez was playing video games with his nephew on the day of the incident when he took a break to take laundry out of his apartment complex's communal facility before he was stabbed.

He then called 911 to report that he had been stabbed and drove himself to a nearby gas station for help, where he later succumbed to his injuries.

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Martinez's parents said two years ago they were upset with the lack of information disclosed about who killed their son.

"We know nothing's going to bring [him] back," Martinez's father, Martin Martinez, told Fox 7. "Nothing's gonna make it better, but just not knowing is just killing us."

"We think it was something random that just happened, and we don't know why," Martinez's mother, Wendy Martinez, told the outlet. "So if anybody saw anything, just come forward."

This June, Austin Police received an anonymous tip saying they had witnessed Antoine Jr. stabbing Martinez near a South Austin apartment complex, according to an arrest warrant, Fox 7 reported.

Police executed another search warrant and discovered the suspect had been searching for news articles related to stabbings in Austin just days after Martinez's death.

Law enforcement found Antoine Jr. in Temple last week, and he was arrested and booked into the Bell County Jail. A judge set his bond at $150,000, and he was bonded out of jail four days later.

Bell County officials told Fox 7 the suspect was released without being extradited to Travis County.

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Antoine Jr. was arrested for unauthorized use of a vehicle and burglary of a habitation in the two years before Martinez's death, court documents show, according to Fox 7. He bonded out of jail two months before Martinez's murder.

Since he was out on probation, Bell County could revoke probation and seek additional warrants for his arrest, which would land him back in jail.

A grand jury in Travis County will still need to indict Antoine Jr. for Martinez's murder.

Republican Sen. Thom Tillis, R-N.C., issued an ultimatum to North Carolina's GOP gubernatorial candidate Mark Robinson following the bombshell report of his alleged porn scandal, saying that he "owes it to President Trump."

"If the reporting on Mark Robinson is a total media fabrication, he needs to take immediate legal action," Tillis said in a Friday post on X. 

"If the reporting is true, he owes it to President Trump and every Republican to take accountability for his actions and put the future of NC & our party before himself," he said.

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Tillis' statement came after Robinson made a social media video denying his involvement in the scandal and vowing to remain in the race to become the Old North State's governor.

"Let me reassure you, the things that you will see in that story, those are not the words of Mark Robinson. You know my words, you know my character, and you know that I have been completely transparent in this race and before. Folks, this race right now, our opponents are desperate to shift the focus here from the substantive issues and focus on what you are concerned with to salacious trap, tabloid trash," he said in the X video. 

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Fox News Digital has reached out to Robinson's campaign for comment.

In comments to CNN, Robinson said that this was "not us."

"This is not us. These are not our words. And this is not anything that is characteristic of me," Robinson said. "I’m not going to get into the minutia of how somebody manufactured this, these salacious tabloid lies."

In CNN's report Thursday afternoon, the outlet alleged Robinson's previous use of a pornography site, called "Nude Africa."

On the pornographic site, Robinson allegedly messaged with fellow users regarding peeping on women in locker rooms as a teenager, describing himself as a "black NAZI" and declaring a fondness for transgender pornography. The candidates' involvement spanned from 2008 to 2012, according to CNN, well before Robinson entered the political arena in 2019.

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CNN's report alleged that Robinson used a pseudonym on the porn site, "minisoldr."

"I came to a spot that was a dead end but had two big vent covers over it! It just so happened it overlooked the showers! I sat there for about an hour and watched as several girls came in and showered," Robinson allegedly wrote on Nude Africa.

In another post in 2010, CNN reported Robinson allegedly stated, "I’m a Black Nazi!" while discussing Black Republicans. 

The allegations come as North Carolina remains a highly contested battleground state as the 2024 election inches closer.

The key battleground states – including North Carolina – had razor-thin margins that decided President Biden's 2020 election victory over Trump.

In 2020, Trump narrowly won North Carolina by just over 1 point. The latest polls in the monumental 2024 presidential race suggest a coin-toss race, with the former president holding the slightest edge.

Fox News Digital's Emma Colton, Paul Steinhauser and Tyler Olson contributed to this report.

Get the latest updates from the 2024 campaign trail, exclusive interviews and more at our Fox News Digital election hub.