What Did William Cosden Jr Do to His Sisters? The Shocking Truth Behind a Brutal Murderer

William Cosden Jr is a notorious American murderer and rapist who was convicted of killing 14-year-old Katherine Devine in 1973. He was also suspected of being involved in other crimes, including the murder of another woman in 1967. But what did William Cosden Jr do to his sisters, who grew up with him and witnessed his abusive behavior? In this article, we will explore the disturbing history of William Cosden Jr and his sisters, and how they finally broke their silence after decades of living in fear.

The Early Life of William Cosden Jr and His Sisters

William Cosden Jr was born in 1947 in Seattle, Washington. He had two younger sisters, Karen and Susan, who were born in 1950 and 1952, respectively. According to their accounts, William was a violent and manipulative person from a young age. He would often beat and torture his sisters, as well as animals and other children. He also sexually abused his sisters, starting when they were only four and six years old. He threatened to kill them if they ever told anyone about his crimes.

William’s father, William Cosden Sr, was a successful businessman who owned a truck shop. He was also a strict and abusive parent, who would beat his son and his daughters for any reason. He was aware of William’s sexual abuse of his sisters, but he did nothing to stop it. He even blamed his daughters for provoking their brother, and told them to keep quiet about it. William’s mother, Dorothy Cosden, was a submissive and passive woman, who was also a victim of her husband’s violence. She was unable to protect her children from their father or their brother, and she also told them to stay silent about the abuse.

The Cosden family lived in a large and luxurious house, but it was a hell for Karen and Susan. They had no friends, no hobbies, no education, and no escape from their tormentor. They lived in constant fear of William, who would stalk them, spy on them, and attack them whenever he wanted. They also feared their father, who would punish them for any sign of disobedience or rebellion. They felt isolated, helpless, and hopeless.

The Murders of William Cosden Jr and His Sisters’ Reactions

In 1967, when William was 20 years old, he was arrested for the murder of a woman named Barbara Ann Johnson. He had raped and strangled her in his car, and then dumped her body in a ditch. He pleaded not guilty by reason of insanity, and was sent to a mental institution for four years. He was released in 1971, due to lack of evidence and a legal loophole. His sisters were shocked and terrified by his crime, but they still hoped that he would change his ways and leave them alone.

However, William did not change. He continued to abuse his sisters, as well as other women and girls. In 1973, he kidnapped, raped, and killed 14-year-old Katherine Devine, who was hitchhiking in Seattle. He slit her throat and left her body in a campground, where it was found a week later. He was the prime suspect in the case, but he was not arrested until 2002, when DNA evidence linked him to the crime. He was charged with first-degree murder, and sentenced to life in prison without parole. His sisters were relieved and vindicated by his conviction, but they also felt guilty and ashamed for not speaking up sooner.

For many years, William’s sisters lived in silence and secrecy. They did not tell anyone about their brother’s crimes, or their own abuse. They did not seek help, counseling, or justice. They did not contact the police, the media, or the victims’ families. They did not even talk to each other about their trauma. They were afraid of their brother’s wrath, their father’s anger, and their mother’s disappointment. They were also afraid of being judged, blamed, or rejected by society. They felt that they had no voice, no rights, and no value.

The Breaking of the Silence and the Healing of the Sisters

In 2023, William’s sisters decided to break their silence and tell their story. They were inspired by the #MeToo movement, which encouraged survivors of sexual abuse and harassment to speak out and seek support. They were also motivated by the desire to help other victims of domestic violence and incest, and to raise awareness about the issue. They contacted Investigation Discovery, a television network that produces true crime documentaries, and agreed to participate in a show called “Evil Lives Here: Sisters in Silence”. The show aired on May 10, 2023, and featured the sisters’ interviews, as well as reenactments of their childhood and their brother’s crimes.

The show was a cathartic and empowering experience for Karen and Susan. They were able to express their feelings, share their pain, and confront their past. They were also able to connect with each other, and with other survivors. They received positive feedback and support from the viewers, the producers, and the experts. They realized that they were not alone, not to blame, and not worthless. They realized that they had a voice, a right, and a value.

Karen and Susan are now in their 70s, and they are still healing from their trauma. They are undergoing therapy, and they are involved in advocacy and activism. They are also reconnecting with their family, friends, and hobbies. They are enjoying their life, and they are hopeful for their future. They are proud of their courage, and they are grateful for their opportunity. They are no longer silent, and they are no longer afraid.

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