Who is Isabella Guzman? Biography, Family, Reason To Commit Murder, Mental Disorders, Case Charging & Ruling, Current Statement

What was the Crime that Isabella Guzman was charged with? She was only 18 years 18-year-old young girl when she committed the crime, and later she alleged first-degree murder. She is a well-known person, but sadly for all the unjustifiable rationales. She is famous for stabbing her mother Yun Mi Hoy with a knife, dealing over 79 stab wounds.

It’s a brutal act and got a lot of awareness in the local and international newspapers. It’s also gained popularity on TikTok, particularly among individuals who are studying more about what happened. Isabella used the mental illness defense during her trial, the court discovered her not guilty. Now she is in a mental health hospital where Isabella gets treatment for Schizophrenia disorder. 

In this guide, we hunt through deep information about Isabella Guzman, her biography, family, reason for committing murder, mental disorders, case charging & ruling, and current statement.

Quick Facts About Isabella Guzman

Real NameIsabella Yun Mi Guzman
Date of birth 1 June 1995
Birth placeUnited States 
Nationality American 
Ethnicity Mixed
Eye colour Dark blue 
Hair colour Black
Height 5’6
Weight 56kg
Zodiac sign Cancer
Relationship status Single

Who Is Isabella Guzman

Are you interested to know the early life of Isabella? Firstly we discuss who is she and why she became so famous on social media platforms. She is an American woman, who got fame in 2013 because of a widely publicized incident in which she was included in the stabbing of her mother “Yun Mi Hoy”. 

When and where Isabella was born? Her date of birth is 1 June 1995 and her birth place is the United States of America. What is the ethnic background of Isabella? She belongs to American nationality her religious faith is Christian. Her ethnicity is mixed because her mother is Hispanic and her father is Caucasian White.

Isabella Guzman Family

Her mother’s name is Yun-Mi Hoy, while her father’s name is Robert Guzman. Her stepfather’s name is Ryan Hoy, after her parents divorced her mother remarried Ryan Hoy. After the divorce of her parents, Isabella resided with her mother and stepfather for some time before living with her biological father.

Why Isabella Guzman Murdered Her Mother

Are you also curious to know the reason why she murdered her mother? If yes, then read the whole section carefully. Isabella’s tale is tragic because it is strange to hear of a killing story involving a daughter and her mother. She was only 18 years old when she stabbed her mother with a blade on 28 August 2013 at their home in Aurora, US. 

The wound continued to lead to the death of Yun-Mi Hoy. She then escaped after the incident but was arrested the next afternoon in a neighboring parking workshop. Her pink sports bra and Aqua blue shorts are still marked with her mother’s blood. Isabella was taken into custody and charged with the first-degree murder of her mother and was entitled to punishment because she was 18 years 18-year-old adult girl. 

Who is Isabella Guzman? Biography, Family, Reason To Commit Murder, Mental Disorders, Case Charging & Ruling, Current Statement

According to the statement of her stepfather, Isabella has been stubborn since early childhood and always disputed with her mother. As a consequence, she was sent to stay with her biological father when she was seven years old and arrived back after some time because of some conflicts. As the days go by before the murder, Yun-Mi Hoy terrifies her daughter because she poses a threat to her.

What Mental Disorder Does Isabella Have?

Is she a Schizophrenic patient? Yes, Guzman had schizophrenia, which is a serious mental disorder. It can cause distorted perceptions of reality, hallucinations, delusions, and disorganized thinking and behavior. It also affects your interpersonal relationships. 

It’s essential to understand mental health in the Isabella murder case. She was also diagnosed with depression, anxiety, and borderline personality disorder, which played a crucial role in her actions. Her mental health challenges made it difficult for her to cope with stress and make difficult decisions, leading to the tragic events.

Isabella Guzman’s Case Charging & Ruling

Is she refusing to accept that she murdered her mother? Yes in the beginning when she is in the investigation room, she refuses to accept that she is a murderer. She said,

“I don’t know who is Yun- Mi Hoy and stop calling me Isabelle, My name is Sabrina, and at the time of the murder, I was with my boyfriend”. 

Later, Isabella was brought to Arapahoe County court and formally charged with one count of first-degree murder and two counts of violent crimes. However, the case had to be postponed until the afternoon because she refused to leave her cell. Isabella charged with the crime claimed not guilty, and their defense lawyer argued that they didn’t know what they did because of their mental illness (schizophrenia).

Who is Isabella Guzman? Biography, Family, Reason To Commit Murder, Mental Disorders, Case Charging & Ruling, Current Statement

In 2014, doctors gave evidence in court that the accused had been dealing with serious delusions for years due to their schizophrenia. The judge considered her mental state and decided to send her to Pueblo State Hospital for treatment instead of prison. The priority is to focus on her mental health and the safety of herself and the community.

Where is Isabella Guzman Now In 2024?

In 2024, she is still in a mental health hospital, located In Colorado. In a recent interview, she stated:

“I was not myself when I did that, and I have since been restored to full health.

I was abused at home by my family for many years. My parents are Jehovah’s Witnesses, and I left the religion when I was 14, and the abuse at home worsened after l quit.

If I could change it or if I could take it back, I would.”


In conclusion, Isabella Guzman ruthlessly killed her mother Yun Mi Hoy. Her complicated case gives a wake-up call of the heartbreaking consequences that can result from neglected mental illness. Additionally, the deep influence of social media, and the difficulties encountered in the teenage judicial system in balancing recovery and public safety. 

As community members, we must give importance to our and other mental health care. Deal with the core issues of youth violence, and encourage a culture of kindness and compassion.

Isabella’s life history highlighted the importance of searching for support when needed. It also analyzes the stigma encircling mental health illness and offers young people support whenever they need to flourish. 

Finally, you get inclusive information about Isabella case in this article. Let us know if you want further information regarding this article.


1: Who was the girl stabbed 79 times?

Isabella Guzman stabbed her mother Yun Mi Hoy 79 times at the place of residence in Aurora. Isabella was 18 years old at that time and discovered afterward not guilty because of mental illness.

2: What were the primary contributing factors to Isabella’s actions?

Isabella’s actions were shaped by a critical interaction of factors, such as mental problems, a history of mental and physical pain, and the impact of social communication.

3: How did social media play a role in the case?

Social media platforms allowed a channel for Isabella to be involved in online harassment and propagate false information about her victim, participating in the intensification of the confrontation.

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Hamza Ashraf

Mr Hamza is the admin of Whatsmind.com. He is an SEO Executive having the practical experience of 5 years. He has been working with many Multinational companies, especially dealing in Portugal. Furthermore, he has been writing quality content since 2019. His ultimate goal is to provide content seekers with authentic and precise information.

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