40 Years Later: DNA Evidence Links Texas Inmate to Dallas Woman's 1986 Murder

The SouthSide Signal Exclusive

DNA Breakthrough Solves 40-Year-Old Dallas Murder Mystery

A nearly four-decade-old Dallas cold case has taken a dramatic turn after modern DNA technology linked a Texas inmate already serving a life sentence to the brutal 1986 murder of a Dallas woman.

Dallas Police announced that Marvin Lee Holloway, currently incarcerated for a separate murder conviction, has now been charged with capital murder in connection with the death of Ruby Battee, whose case remained unsolved for almost 40 years.

A Crime That Haunted Dallas Since 1986

According to investigators, Battee was sexually assaulted and murdered inside her Dallas home on May 27, 1986, after an intruder forced entry into the residence. Detectives at the time recovered biological evidence, but forensic science in the mid-1980s lacked the technology needed to identify a suspect.

For decades, the case sat dormant.

That changed in January 2025 when Dallas homicide detectives reopened the investigation and submitted previously untested evidence—including clothing and sexual assault examination swabs—to the University of North Texas Center for Human Identification for advanced DNA testing.

The DNA Match

Investigators say a partial male DNA profile was successfully developed and entered into the national CODIS database in April 2026.

On May 5, 2026, detectives received the breakthrough they had been waiting for: a DNA match identifying Marvin Lee Holloway as the possible suspect.

Detectives then obtained a search warrant for a fresh DNA sample and traveled to a Texas Department of Criminal Justice facility in Beeville, where Holloway is serving a life sentence.

Following the confirmation of the DNA evidence, Dallas detectives secured a capital murder warrant against Holloway.

Already Serving Life

Holloway has been behind bars since 1989 after being convicted of murdering his co-worker, Emily Proctor, in 1988.

The new charge means prosecutors will now seek justice for another victim whose family waited nearly 40 years for answers.

A Victory for Modern Forensics

The case highlights the growing role of DNA technology in solving crimes once considered impossible to crack. Across Texas and the nation, advances in forensic science continue to breathe new life into cold cases, giving investigators tools that simply did not exist when many of these crimes occurred.

For Ruby Battee's loved ones, the development represents a major step toward accountability after decades of unanswered questions.

The SouthSide Signal will continue following this story as it moves through the court system.