DNA Solved the 1972 Virginia Murder Cold Case — Arrest Shocked the Community

The envelope had been sitting in a state evidence repository in Richmond for 51 years. It was an ordinary manila envelope yellowed at the corners, sealed with a strip of tape that had long since lost its tack. On the front, in the careful block lettering of a man who believed in documentation, was a case number, a date, September 4th, 1972, and a name, Margaret Elaine Burwell.

 No one had opened it since 1974. The investigator who sealed it was dead. The sheriff who had signed the case paperwork was dead. The witnesses who had been interviewed in those first terrible weeks had mostly died or moved away. The town of Restston Mills, Virginia, had changed around the memory of Margaret Burwell, the way towns always do, slowly, without deciding to, until the grief became something older people carried, and younger ones only half remembered hearing about.

Inside that envelope was a slide of biological material collected from a crime scene in the autumn of 1972. The man who had left it there had spent 51 years believing it was nothing, that it would never be anything, that the science did not exist and would not exist in time to reach him. He was wrong.

 We have to go back to Virginia in the summer of 1972 to a small town along the Blue Ridge Foothills where a woman named Margaret Burwell was living the life she had built with her own hands. Because to understand what the Dena inside that envelope finally proved, you first have to understand who Margaret was and what was erased when she was taken.

 Restston Mills sits in the foothills of the Blue Ridge in that part of Virginia where the mountains start to soften into the Piedmont and the land rolls in long green curves toward the east. In 1972, it was a town of just under 4,000 people. It had a textile mill that employed a quarter of the county, a county courthouse built in 1891, a hardware store, two churches, a feed and seed on the main road, and a diner that everyone simply called maze.

Margaret Elaine Burwell had come to Reston Mills in 1965 when she was 23 years old. She was not a local by birth. She had grown up in Rono, the daughter of a railroad man. But she had put down roots in Reston Mills the way some people do, with a kind of deliberate intention that makes a chosen place feel more home than the one they were born to.

She had taken a job as a bookkeeper at the textile mill. She had joined the Methodist church. She had bought over seven years of careful saving a small white house on Orchard Street with a front porch she used and a garden she loved. She was 30 years old in the summer of 1972. She was not married, which was noticed in the way such things were noticed in small Virginia towns in 1972.

But she was not lonely. She had close friends, a full social life, a nephew she adored in Rowan Oak she visited twice a year. Her co-workers at the mill described her as precise and dependable and quietly funny, the kind of person who kept her opinions until they mattered and who could be counted on completely once she gave her word.

Her closest friend in Reston Mills was a woman named Dorothy Saul, who had worked alongside Margaret at the mill since 1966. Dorothy would spend the next five decades as the person who never let the case go cold in the town’s memory, even when the official investigation had nothing left to offer. The summer of 1972 had been long and hot, the kind of Virginia August that sits heavy in the hollows.

 Margaret had worked through it, tending her garden in the evenings and spending weekends with Dorothy’s family at the lake 12 mi east of town. She was, by the account of everyone who knew her, content, not straining toward anything, not running from anything, simply living a life she had made and meant to keep. On the evening of September 3rd, 1972, Margaret attended the monthly potluck supper at the Methodist church.

 She brought deileled eggs, which Dorothy later said she was known for. She stayed until a little after 9, helped stack the folding chairs, said good night to the pastor and to a halfozen neighbors, and walked home alone. Orchard Street was four blocks from the church. She had walked it every week for 7 years. She did not come home.

At 7 the following morning, Dorothy Saul called Margaret’s telephone and got no answer. She called again at 8, then drove to Orchard Street herself. Margaret’s car was in the driveway. The front door was unlocked, which was not unusual. Inside, it was immediately clear that something was wrong. Dorothy called the sheriff’s department from Margaret’s kitchen telephone.

 Reston Mills County Sheriff Earl Haywood arrived within 20 minutes, followed by two deputies. What they found inside Margaret Burwell’s house on Orchard Street told them with terrible clarity that this was not a matter for the county sheriff’s department alone. Heywood called the Virginia State Police before 9:00.

 The lead investigator assigned by the state police was Agent Calvin Purcell, a 35year-old criminal investigator from the AY’s Rowanoke field office. Methodical and experienced beyond his years, he arrived at Orchard Street by midday on September 4th and spent the next three days working the scene with a care that would matter half a century later, more than anyone could have known.

Purcell and his team documented everything. They gathered physical evidence from throughout the house, fibers, fingerprint lifts, and critically biological material collected from several surfaces that had been disturbed during the crime. The state police crime lab typed the blood. They cataloged what they had.

 And then, because the science of 1972 could take them no further, they sealed the most promising samples into an evidence envelope. logged it under Purcell’s case number and entered it into the chain of custody. Purscell interviewed everyone who had been at the church potluck. He interviewed Margaret’s neighbors up and down Orchard Street.

He constructed a timeline of her final hours, the walk home, the darkness of a September evening, four blocks of residential streets where almost no one had seen anything. He cast his suspicion wide and his net careful, looking for whoever had been near Orchard Street that night with no reason the law could verify.

The interviews produced something. Not enough, but something. One name kept rising slightly above the others. A man who had been at the potluck that night, who lived not far from Orchard Street, and who could not account with any precision for his movements after 9:00. His name was found in Purcell’s notes. It was noted that his account was inconsistent between the first and second interview.

His name was Warren Dell Kates. Kates was 28 years old in the autumn of 1972. A mill worker who had lived in Reston Mills his whole life. He was not well known to Margaret. By every account that Purcell could gather, they were nodding acquaintances from church, nothing more. He had no criminal record.

 He had no history of violence. When Purcell pressed him on the inconsistency in his timeline, Kates adjusted his account and provided a name. A friend who he said could confirm he had been at that friend’s house after the potluck. The friend confirmed it. The alibi was thin and Purcell knew it, but it was an alibi.

 And without physical evidence connecting Kates to the scene, there was nothing to charge. The biological material in the sealed envelope had been typed. Kates’s blood type matched the pool of possible donors, but so did roughly 40% of the male population of the United States. In 1972, that was as far as science could go.

 Purscell worked the case for two more years before the active investigation wound down. In his final supplemental report filed in 1974, he wrote, “There is a man in this town who did this. The evidence to prove it exists. We do not yet have the means to read it. I am recommending permanent evidence retention.” He retired from the state police in 1989. He died in 2001.

His final report was the last official document in the Burwell case file until 2019. Dorothy Saul did not retire and did not die quiet. She was 29 years old when Margaret Burwell was killed. And she carried the loss the way you carry the loss of the person who would have been your friend for the rest of your life.

 She called the state police every year for a decade. Then every few years after that, asking the same question. She kept Margaret’s photograph on her mantle. She told everyone who would listen that the case was not solved and that someone in Reston Mills knew why. The town moved around her and around the memory.

 The textile mill closed in 1988 and half the county’s economy went with it. Young people left. Old ones died. The diner that had been maze became a consignment shop and then a vacancy. The church where Margaret had her last potluck was still standing, still Methodist, still holding suppers on the third Sunday. Warren Del Kates stayed in Restston Mills.

 He married in 1975, the same year Purcell’s active investigation effectively ended. He had children, then grandchildren. He worked in construction after the mill closed, then odd jobs, then retirement. He was in his late 70s by the time the cold case unit came back to Orchard Street. Old enough that people who didn’t know better thought of him as a fixture of the community.

 A grandfather aged man who had been in Reston Mills his whole life and had by the quiet assumption of longevity earned a kind of trust he had never deserved. In 2019, the Virginia State Police Cold Case Unit undertook a comprehensive review of violent crime cases from the 1960s and 1970s with surviving biological evidence.

The Burwell file was flagged within the first month. Purscell’s 1974 instruction, permanent evidence retention, had held. The Manila envelope was located in the Richmond Repository. its chain of custody intact across 47 years. The case was assigned to special agent Ranada Holloway, a cold case investigator who had closed 11 cases in her 12-year tenure with the unit.

She drove to Restston Mills before she read the full file. She wanted to see Orchard Street first. She wanted to understand the geography. Then she read Calvin Purcell’s notes from 1972 and she found his handwriting on the page where Warren Delcates’s name appeared and the underline beneath the words alibi unverified friends account too consistent to be spontaneous.

She submitted the envelope’s contents for advanced dina extraction in 2020. Every case on this channel represents weeks of research, verified facts, and a commitment to honoring people the world moved on from too soon. If you want us to keep uncovering cases like Margaret’s, take a second to like and subscribe and drop a comment telling us where in the world you’re watching from.

Now, let’s get back to Rest in Mills. The sample had degraded over 51 years. It was expected touchdina the microscopic traces left by skin cells on surfaces is fragile even under ideal storage conditions and 1972 conditions had not been ideal. The forensic laboratory used low copy number dena analysis a technique capable of building a full profile from sample sizes too small for conventional methods to read.

 amplifying the genetic signal across dozens of cycles until the markers emerged with clarity. The profile that came back was complete male and when agent Holloway entered it into the national database, it matched a profile on file. The match came from an arrest made in a neighboring county in 1987, 15 years after Margaret Burwell’s death.

a disorderly conduct charge elevated to assault when a deputy was pushed. Warren Del Kates had been booked, processed, and released on a fine. His dena, collected at booking under Virginia’s standard protocol for qualifying arrests, had been sitting in the system since 1987. He had been in the database for 33 years.

 The sample from Orchard Street and the booking profile from 1987 were the same man. Holloway sat with that for a long time before she made the next call. Kate was 78 years old. He had been at the church potluck the night Margaret Burwell died. He had given an inconsistent account and a thin alibi that a 35-year-old investigator named Calvin Purcell had doubted in 1972 and put on record.

 And he had been in the Dena database since 1987, but the Burwell evidence had not been profiled until 2020, and so the match had sat unmade for 33 years. She called Dorothy Saul before the arrest. Dorothy was 79 years old. She had been calling the state police for 47 years. When Holloway told her, Dorothy was quiet for a long time.

 And then she said, “I knew it was somebody from that church.” On the morning of June 17th, 2021, agents from the Virginia State Police Cold Case Unit arrested Warren Dell Kates at his home in Reston Mills. He was charged with first-degree murder in the death of Margaret Elaine Burwell, committed on or about the night of September 3rd, 1972.

He was 78 years old. He came to the door in a cardigan. He said nothing when they read him the charge. His wife of 46 years stood in the hallway behind him and did not speak either. The arrest did to Restston Mills what arrests like this always do and worse because it was not a stranger. Because it was not someone who had slipped through and moved on.

 It was a man who had been in that community for his entire life, who had sat in the pew two rows from where Margaret used to sit, who had watched that church hold funerals and weddings and potluck suppers for 50 years. who had watched the investigation come and go and had said alongside everyone else what a terrible thing it was.

 His grandchildren had grown up in Rest and Mills. His wife had volunteered at the food pantry. The family was woven into the town so completely that the arrest did not just shock the community. It required the community to re-examine everything it thought it knew about itself and about the kind of trust that small towns extend automatically to the people who simply stay.

 At trial, the defense argued that 51-year-old evidence was insufficient for conviction. The jury disagreed. Warren Dell Kates was convicted of firstdegree murder in the spring of 2022. He was sentenced to life in prison. Given his age, the sentence was understood by everyone in the courtroom for what it was. Dorothy Saul attended every day of the trial.

 She was 80 years old. She sat in the same row each morning, and she did not look away from the defendant. After the verdict, she was asked by a reporter what she felt. She thought for a moment. “I feel like Margaret can rest,” she said. I feel like she’s been waiting a long time to be believed. Calvin Purcell’s daughter, a woman named Sandra, had followed the case from the moment she read her father’s name in the news coverage.

She wrote a letter to Agent Holloway after the conviction, thanking her for finishing what her father had started. Holloway read the letter to a colleague and said, “That was the part of the job no one told you to expect.” She was 30 years old. She had a white house on Orchard Street and a garden she loved and develed eggs she was known for and a life she had built on purpose in a town she had chosen for herself.

She had a friend who would spend the next half century refusing to let her be forgotten. She was precise and dependable and quietly funny. The kind of person who gave her word and kept it, who kept her opinions until they mattered, who had not yet had the chance to become everything she was going to be. What was taken from Margaret Burwell was taken on a fourb block walk on a September evening in a town where everyone said nothing bad ever happened.

And the man who took it stayed. He stayed and he married and he raised a family and he sat in the pew rows from where she used to sit and he watched the decades go by and he believed that time was on his side. He was right about time. He was wrong about the envelope. Calvin Purcell wrote in 1974 that the evidence existed and that they did not yet have the means to read it.

 He was right about that too. He just did not live to see it read. The chain of custody that carries his name that runs from a crime scene on Orchard Street in 1972 through a Manila envelope in a Richmond repository through a forensic laboratory in 2020 and into a courtroom in 2022 is the answer to what one careful investigator’s faith in the future can accomplish.

 He could not have known what the science would become. He preserved the evidence anyway. That decision made 50 years ago by a man who is no longer alive is the reason a jury in Virginia was able to deliver a verdict to a woman who had been waiting for it since 1972. We want to hear from you. What does it say about justice? That the man who killed Margaret Burwell was in the Dena database since 1987 and that a match simply wasn’t possible until the evidence was finally tested 30 3 years later.

And how do you think about the investigators like Calvin Purcell who built the foundation for answers they would never live to see? Drop your thoughts in the comments below. Tell us where in the world you’re watching from. Justice found Margaret Burwell after 50 years. Stories like hers are why this channel exists.

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