Tennis legend Martina Navratilova fired back at a reporter who labeled her "transphobic" on Friday as she campaigned with the Independent Women’s Forum as part of its "Take Back Title IX" initiative.

Ben Rothenberg, a tennis journalist who is now a podcast host and wrote a Naomi Osaka biography, offered his take on Navratilova’s involvement with the women’s organization after the group’s bus was vandalized in North Carolina.

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"Martina Navratilova turning this anti-trans crusade into her life's obsession in recent years remains dispiriting!" Rothenberg wrote. "And she turns it into way more transphobic vitriol than just discussing sports fairness, as I've covered before, just being nasty and cruel and dehumanizing. Boo."

Navratilova responded later Friday night.

"Yet another man telling women what they should care about," Navratilova wrote. "And who are you exactly? Oh yeah, the reporter who tells tennis players its off the record and then prints what they said anyway. Good to know you care about women’s sports and women’s sex based spaces. I care."

Rothenberg responded to Navratilova.

"I’ve never done that. But I care also, about someone who was a beacon of freedom and inclusion in the sport I’ve covered sadly choosing to erode the platform she built with cyberbullying campaigns aimed at obscure, low-level amateur athletes. I wish you were better than that."

Navratilova seemingly took issue with the assertion she was "cyberbullying."

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"Cyber bullying- wow. I am blocking you once and for all. For your information I am doing a whole lot more than just tweeting. You can just go away now. Hope I see your nasty self at Wimbledon- if you are there."

Navratilova is a pioneer in the lesbian and gay community and in women’s tennis. She’s advocated for fairness in women’s sports amid the debate over transgender participation.

She applauded World Athletics last year for developing an open category for transgender athletes. She wrote in an op-ed it was a "step in the right direction."

"In the wake of World Athletics’ announcement, I think the best idea would be to have ‘biological female’ and ‘biological girls’ categories and then an ‘open’ category," she wrote. "It would be a category for all-comers: men who identify as men; women who identify as women; women who identify as men; men who identify as women; non-binary – it would be a catch-all. This is already being explored in athletics and swimming in Britain.

"Biological females are most likely to compete in the biological female category, as that’s their best shot at winning and it maintains the principle of fairness. With an ‘open’ category there are no question marks, no provisos, no asterisks, no doubts. It’s a simple solution.

"Once somebody has gone through male puberty, there is no way to erase that physical advantage. You cannot simply turn back the clock, for instance by trying to lower testosterone levels."

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New distressing details emerged in the murder case of Rachel Morin, including that the Maryland mother of five was "badly beaten" before being raped.

A Maryland court heard Friday that Victor Antonio Martinez Hernandez, a 23-year-old illegal El Salvadorian migrant accused of raping and killing Morin, brutally beat, strangled and raped his victim before leaving her behind partially naked, according to a report from the New York Post.

Randolph Rice, an attorney for the Morin family, told the New York Post the mother of five had "10-15 head wounds and the manner of death was strangulation and blunt force injuries."

Police say the fatal assault of Morin was brutal enough that the family believed she looked like "her head had been smashed with a rock."

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"She was attacked on the trail during her workout and dragged through the woods to the tunnel where she was located," he said, echoing the argument made by the State Attorney’s office and Hernandez’s bail hearing.

The El Salvadorian migrant was not granted bail by Judge Kerwin A. Miller, who determined that Martinez Hernandez was a flight risk and potential danger to society. The judge also noted that Martinez Hernandez, who had entered the country illegally four times, had an ICE detainer and an Interpol warrant.

The Morin family attorney told the New York Post that it was an "emotionally challenging experience for them to see the Defendant on the video screen."

The attorney added that the judge’s decision to "deny bail in such a serious case is not unexpected."

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"Given the gravity of the accusations in this case – rape and murder – it’s clear that the court found significant reasons to keep the defendant in custody," Rice said. "This decision underscores the court’s priority to ensure public safety and the integrity of the judicial process."

Martinez Hernandez is charged with first- and second-degree murder, first- and second-degree rape, and second-degree assault in the case. He did not take the opportunity to make a statement at the hearing.

Friday’s hearing revealed that DNA evidence played a crucial role in tracking down Martinez Hernandez as the suspect. DNA at the scene of Morin’s murder was linked to DNA found on a water bottle and cap at a March home burglary in Los Angeles that resulted in the assault of a 9-year-old girl.

Los Angeles authorities had surveillance video of the March burglary, but were at the time unable to identify Martinez Hernandez as a suspect. He was finally tracked down to a bar in Tulsa, Oklahoma, where he was arrested earlier this month.

The hearing also revealed that relatives of Martinez Hernandez turned over two bags of clothes and a pair of shoes he left behind in Maryland after fleeing the state, according to the report.

Authorities say Martinez Hernandez initially fled El Salvador for the U.S. after allegedly killing a woman there in January 2023. He made two attempts to cross the U.S. border that month, one in Texas and once in New Mexico, but was caught and deported both times.

Martinez Hernandez made another attempt to cross a month later, again in New Mexico, but was caught and deported. His fourth and finally successful attempt to cross the border illegally happened that same month or a month later.

Get the latest updates on the ongoing border crisis from the Fox News Digital immigration hub.