A 46-Year Mystery Finally Had an Answer — The DNA Evidence That Led Investigators Back to Carla Walker’s Past

For 46 years, the disappearance and killing of 17-year-old Carla Walker remained one of Fort Worth, Texas’s most haunting unsolved cases.

The investigation began on Valentine’s Day in 1974, when Carla and her boyfriend, Rodney McCoy, were sitting inside a parked car after attending a high-school dance.

Within minutes, their ordinary evening had become a crime that would follow two families—and generations of investigators—for decades.

McCoy was attacked and left unconscious. Carla was taken from the vehicle.

Before McCoy lost consciousness, he heard Carla tell him:

“Rodney, go get my dad.”

Those words would become one of the most painful details in a case that remained unresolved for nearly half a century.

The eventual breakthrough would involve preserved biological evidence, advances in forensic DNA analysis, genetic genealogy and a weapon investigators had originally been told was stolen.

The suspect had not disappeared overseas.

He had not moved across the country.

He had remained in Fort Worth.

And investigators eventually discovered that he had been living only about a mile from the location where Carla was abducted.

The Valentine’s Day disappearance that stunned Fort Worth

In February 1974, Carla Jean Walker was a high-school junior in Fort Worth.

She was 17, active in school activities and known by her family as energetic and outgoing. She had plans for the future and was preparing for the ordinary milestones that come with being a teenager.

On the evening of February 14, she attended a Valentine’s Day dance at Western Hills High School with Rodney McCoy.

Afterward, the couple went to the Brunswick Ridglea Bowl on South Hulen Street.

Shortly after midnight, they were sitting inside McCoy’s car when the passenger door suddenly opened.

A stranger confronted them.

McCoy was struck with a pistol and lost consciousness.

When he eventually regained awareness, Carla was gone.

Near the vehicle, investigators discovered a pistol magazine.

That small piece of evidence would become one of the most important clues in the investigation.

McCoy drove to the Walker family home.

It was around 1 a.m. when Carla’s father, Lupe Walker, opened the door and saw the injured teenager standing outside.

McCoy told him that Carla had been taken.

The family immediately understood that something terrible had happened.

Carla was found three days later

On February 20, 1974, Carla’s body was discovered near Lake Benbrook, south of Fort Worth.

Her death was investigated as a homicide.

Detectives began examining the evidence from the parking lot, the weapon magazine and information about people who might have been connected to the area.

The investigation quickly produced a promising lead.

The magazine was associated with a .22-caliber Ruger pistol.

Investigators identified Glenn Samuel McCurley as someone who had recently purchased a weapon matching the description.

There was another remarkable detail.

McCurley lived approximately one mile from the bowling alley.

Yet when investigators questioned him, he said his pistol had been stolen from his truck.

He also took a polygraph examination and passed.

In 1974, that result helped move the investigation away from him.

The case continued.

But the answer remained out of reach.

Decades passed while the case remained open

Investigators pursued numerous leads during the following years.

Other suspects were considered.

Witnesses were interviewed.

Tips arrived.

Some were useful.

Others led nowhere.

As the decades passed, detectives changed, technology changed and the city itself changed.

But Carla’s case remained open.

For her family, however, time did not erase the unanswered question.

Carla’s parents died without knowing who had taken their daughter.

Her siblings continued to remember her and continued to support efforts to find answers.

Rodney McCoy also lived for decades with the memory of the night he had been attacked and Carla had disappeared.

The case became what investigators call a cold case—a homicide for which the available evidence had not been sufficient to identify and prosecute a perpetrator.

Yet crucially, some evidence from 1974 had survived.

The evidence was waiting for technology to catch up

One of the biggest challenges involved biological evidence collected during the original investigation.

Modern DNA testing can identify people from remarkably small or degraded biological samples. But forensic science in the 1970s was nowhere near today's capabilities.

Even early attempts to analyze evidence from Carla's case decades later were unsuccessful.

The problem wasn't necessarily that the evidence had disappeared.

The problem was that scientists could not extract enough usable genetic information from it.

That distinction would eventually become critical.

As forensic technology improved, investigators began asking a different question:

What if the old evidence could finally produce a usable DNA profile?

That possibility gained momentum as forensic genetic genealogy became increasingly important in cold-case investigations.

The technique had already attracted national attention through other high-profile cases.

Investigators could use DNA information to identify relatives and construct family connections, potentially narrowing a decades-old investigation to a specific individual.

Carla's case was about to enter that new era.

A television investigation reopened the mystery

In 2020, Carla Walker’s story appeared on the Oxygen Network program The DNA of Murder with Paul Holes.

The program's production team agreed to help fund additional forensic testing.

The testing cost approximately $15,000.

The evidence was sent to Astrium, a forensic genomics laboratory in Texas specializing in challenging DNA samples.

The objective was straightforward but ambitious:

Extract a usable genetic profile from evidence that had been collected nearly five decades earlier.

The laboratory succeeded.

Investigators finally had the kind of DNA information they had been missing since 1974.

The next stage involved forensic genetic genealogy.

Instead of simply comparing the profile against a conventional law-enforcement database, investigators could examine genetic relationships and build a family tree.

The results produced a name investigators already knew.

McCurley.

The suspect had been hiding in plain sight

By 2020, Glenn Samuel McCurley was 77 years old.

He was retired.

He was still living in Fort Worth.

And he had spent decades in the same general community where Carla had disappeared.

The discovery was extraordinary because investigators had already encountered McCurley during the original investigation.

They had questioned him.

They knew about his firearm.

They knew where he lived.

But the technology available in 1974 had not provided the evidence necessary to connect him conclusively to Carla's death.

Now investigators had something different.

They had a DNA profile.

They needed to confirm it.

Investigators quietly collected new evidence

On July 7, 2020, investigators obtained a discarded item from outside McCurley's residence.

The material was tested.

The result matched the DNA profile developed from evidence connected to Carla's case.

Investigators then obtained a direct DNA sample from McCurley.

That sample also matched.

After 46 years, the case had finally produced a forensic connection.

But there was another discovery waiting inside McCurley's home.

The missing gun was still there

Back in 1974, McCurley had told investigators that his .22-caliber Ruger pistol had been stolen.

Investigators had accepted that explanation at the time.

Decades later, when McCurley's home was searched, the weapon was found.

The firearm that investigators had been told was missing had apparently remained in his possession.

The discovery dramatically strengthened a case that had once stalled because of a combination of limited forensic technology and investigative assumptions.

A weapon.

A DNA profile.

A decades-old crime.

The pieces were finally coming together.

An arrest came 46 years after Carla disappeared

On September 21, 2020, Glenn Samuel McCurley was arrested and charged with capital murder.

He initially denied responsibility.

But the case against him was now dramatically different from the investigation conducted in 1974.

Investigators had forensic evidence that could be presented to a modern court.

They had genetic evidence.

They had the firearm.

And they had Rodney McCoy, the surviving witness to the beginning of the tragedy, who could describe what happened in the parking lot.

For McCoy, the arrest represented something he had waited nearly his entire adult life to see.

Rodney McCoy finally told his story in court

McCoy testified during the 2021 proceedings.

He described the attack and the moment Carla was taken.

He also spoke about the guilt he had carried for decades.

As a teenager, he had been unable to stop what happened.

For years afterward, he had lived with the memory of Carla's final words to him.

The courtroom testimony brought the events of 1974 back into public view.

But this time, the investigation had something it had never possessed before.

The science had caught up with the evidence.

The case ended with a guilty plea

McCurley's capital murder trial began in August 2021.

After several days of proceedings, he changed his plea to guilty.

He was sentenced to life in prison.

The case that had remained unresolved since Valentine's Day 1974 had finally reached its legal conclusion.

For Carla's family, however, the end of the prosecution could not erase the decades that had already passed.

Her parents had died without learning who was responsible.

Her siblings had grown older while carrying the unanswered question.

And Rodney McCoy had lived for nearly five decades with the memory of the night that changed his life.

Carla's family wanted the breakthrough to help others

Following the case, Carla's siblings spoke about the importance of using new DNA technology to investigate other unsolved crimes.

Their message was larger than one prosecution.

Across the United States, police departments and families continue to confront decades-old homicide cases in which biological evidence may still exist but has never been analyzed using today's techniques.

Modern forensic testing can sometimes reopen investigative possibilities that did not exist for previous generations.

But testing can be expensive.

Evidence may need specialized analysis.

And many older cases contain biological material that has degraded over time.

The Walker investigation demonstrated what can happen when preserved evidence is revisited with newer technology.

The unanswered question remains

Investigators have also raised the possibility that McCurley could have been connected to other crimes.

That question remains separate from the evidence established in Carla Walker's case.

Without additional evidence, speculation cannot establish responsibility for other unsolved crimes.

But the possibility has kept attention focused on other unresolved cases from the same era.

Carla's family has hoped that the lessons from her investigation can encourage additional cold case DNA testing and provide other families with the opportunity to seek answers.

A case that outlasted generations

The location where Carla was taken has changed dramatically since 1974.

Businesses have come and gone.

The city has grown.

The teenagers who knew Carla are now elderly.

The investigators who first worked the case are gone or retired.

But the evidence survived.

That may be the most important lesson of the Walker case.

For decades, the evidence appeared incapable of answering the central question.

Then science changed.

A biological sample collected in the 1970s became useful.

Genetic genealogy created a new investigative path.

A decades-old firearm was recovered.

And a suspect who had once been questioned became the focus of a modern forensic investigation.

The breakthrough did not come from one dramatic confession or a mysterious new eyewitness.

It came from combining evidence that had existed for decades with technology that had not.

Carla's last words became part of a story that finally had an ending

Carla Walker was 17 years old when she went to a Valentine's Day dance with Rodney McCoy.

She expected to go home afterward.

Instead, she became the victim of a crime that remained unsolved for 46 years.

Her final known words were directed toward her father.

“Rodney, go get my dad.”

For decades, those words represented the beginning of an unanswered family tragedy.

Eventually, they became part of a different story—one about persistence, evidence preservation and the extraordinary changes in forensic DNA technology.

The case could not give Carla back to her family.

It could not return the years that had been lost.

But after nearly half a century, investigators finally identified the man responsible and brought the case to court.

For the Walker family, the answer had taken far too long.

But the question that began on a dark Fort Worth parking lot in 1974 was no longer unanswered.