The Otero Family Murders: The First Crime of BTK

On January 15, 1974, fifteen-year-old Charlie Otero came home from school in Wichita, Kansas, and noticed something wrong: the family dog, Lucky, was outside. Lucky was not usually left there. Inside, his mother’s purse lay open and its contents were scattered across the stove. Charlie called out. Then one of his siblings found their parents.

Charlie saw his mother, Julie, on the bed and his father, Joseph, on the floor. The children ran to a neighbor’s house to call police. Officers discovered something Charlie had not seen: his younger brother and sister, nine-year-old Joseph Jr., known as Joey, and eleven-year-old Josephine, known as Josie, had also been killed.

Years later, Charlie told ABC News that his life changed instantly. What happened in that house was the opening crime in a series of ten murders. The killer would become known as BTK. His name was Dennis Rader. But for more than three decades, the Otero family had no answer to the most urgent question: who had come into their home?

The Oteros had been in Wichita for less than six months. Joseph and Julie had five children. Charlie remembered his father as outgoing and jovial, his mother as caring and devoted to the family. On that January morning, the older children went to school. Joseph, Julie, Joey and Josie stayed home.

That detail matters to the timeline. The person who attacked the family did so before the older children returned. Charlie’s account gives us the terrible end of that morning, but not an eyewitness account of the assault itself. For what occurred inside, investigators—and eventually the families—would hear an account from the killer. Rader described his crimes in court after pleading guilty in 2005. His description is evidence of what he admitted, not a reason to treat every detail he gave as independently witnessed fact.

Rader later told the court that he went looking for victims and, once he settled on someone, watched them before attacking. In his account of the Otero murders, he described moving between family members as he tried to kill them. He said he attacked Joseph, then Julie and Josie, then Joey. He said Julie regained consciousness and he returned to strangle her.

It is a horrifying account, and there is no need to dwell on its graphic particulars. Four people who had been at home together that morning were dead. When the older children arrived, they entered what should have been the safest place in their lives and found a crime scene. Police took Charlie from the house; at the station, a chaplain and an officer told him that Joey and Josie had died too.

At the time, the children did not have Rader’s name, his confession or an explanation for why he had chosen their family. They had only the shock of that day—and a killer who was still free.

The Otero murders did not remain an isolated mystery. Later in 1974, twenty-one-year-old Kathryn Bright was killed. In 1977 came the murders of Shirley Vian and Nancy Fox. Rader sent messages to the media and police, giving himself the initials BTK, for “Bind, Torture, Kill.” In February 1978, Wichita’s police chief publicly connected the Otero murders with the killings of Vian and Fox.

Investigators faced a case that would span decades. Wichita police formed a special unit in 1984 to bring the evidence together and examine it again. Detectives reviewed old leads, consulted FBI behavioral specialists and kept biological evidence from crime scenes as forensic technology advanced. The unit was eventually disbanded, but the case did not disappear from the investigators’ work.

The killer’s messages created a second trail alongside the physical evidence. They also exposed something important about him: he wanted an audience. Police could not know when he would communicate again, but if he did, a letter or package might contain the mistake they had waited for.

For years, Rader was silent. Then, in January 2004, The Wichita Eagle published an article marking thirty years since the Otero murders and mentioning a book being written about BTK. That March, the newspaper received a letter containing a photocopy of murder victim Vicki Wegerle’s driver’s license and photographs connected to her crime scene. Police and the FBI confirmed the communication came from the killer. A murder that had not previously been publicly linked to BTK was now part of the investigation.

Wichita police chose to keep him talking. Lieutenant Ken Landwehr became the public voice addressing him. Communications arrived through different locations and intermediaries. Investigators were no longer just waiting for a fingerprint or a confession; they were studying every new contact for a clue to the sender’s identity.

The breakthrough came through a technology Rader apparently did not understand as well as he thought he did. He asked whether police could identify him if he communicated using a floppy disk. Police assured him they could not. He sent one.

The disk reached Wichita police through a television station. Detective Randy Stone examined its files and found traces of an identity: the name Dennis and the name of a Wichita church associated with the software. Searching those clues led to a church webpage listing Dennis Rader as its congregation president.

That was a lead, not a conviction by computer search. Investigators developed further evidence; biological evidence preserved from the old case helped connect Rader to the murders. On February 25, 2005, police arrested him as he left his job as a compliance officer in Park City, just north of Wichita. He confessed. A search of his home uncovered possessions connected to his crimes.

The man investigators identified was a husband, father, church member and Boy Scout leader. Those ordinary public roles had not explained away the killings; they had helped conceal the person responsible. For the families, the discovery ended the uncertainty over his name. It could not undo the years in which they had lived without it.

On June 27, 2005, Rader pleaded guilty to ten counts of first-degree murder. Sedgwick County District Attorney Nola Foulston said there had been no plea negotiations with the state. In court, Rader described the killings. In August, he received ten consecutive life sentences.

For Charlie Otero, hearing Rader recount his family’s deaths brought information he had never had—but also another ordeal. Charlie later said it was the first time he had heard how they died. Other victims’ families spoke at sentencing about the lives taken and the damage left behind.

There is a temptation to end this story with the floppy disk: a killer asked a question, trusted the answer and gave himself away. But that was only the final opening in a much longer investigation. Police had kept records and evidence. Detectives had returned to the case over decades. Families had waited through all of it.

The first scene was not a computer, a police station or a courtroom. It was the Oteros’ home on an ordinary school day. Joseph, Julie, Joey and Josie are the reason the investigation mattered—and the reason catching Rader, however necessary, can never be mistaken for getting that morning back.