A Mind in Collapse

The novel The Memoir of a Murderer (2013) by Kim Young-ha, a contemporary Korean writer, is a dark and captivating work in the psychological thriller genre. Beyond being a simple crime story, it is a profound exploration of identity, memory, and the nature of evil. Through a first-person narrative, the reader is drawn into the labyrinth of a serial killer’s mind as he struggles with Alzheimer’s disease.

Kim Young-ha

~2 min read · Updated Dec 15, 2025

1. Central Character: Byung-su and the Destruction of Memory


The protagonist, Byung-su, is a retired veterinarian and former serial killer who now faces Alzheimer’s. To resist the erosion of memory, he begins writing his recollections in notebooks, recording not only daily life but also his identity as a killer. This struggle to preserve memory becomes a battle to preserve existence itself.


2. Lies, Illusions, and Narrative Uncertainty


Because of his illness, the boundaries between reality, illusion, and false memories constantly blur. Readers must question the reliability of the narrative at every turn. This uncertainty creates intense psychological tension, showing that the novel’s core is not crime action but the gradual collapse of human cognition.


3. Moral Conflict and the Philosophy of Forgetting


The novel raises heavy ethical questions: If a killer forgets his past, does guilt still weigh upon him? Is our identity defined by our actions or by our memory of them? Byung-su, confronting a possible younger murderer, imagines himself as a protector of society, forgetting that he himself was once the embodiment of evil.


4. Impact and Place in Contemporary Literature


The Memoir of a Murderer, with its cold tone and dark humor, quickly gained international recognition. It stands as a prime example of Korean literature’s ability to blend crime thriller with philosophical exploration. It is one of the finest modern works on dementia and guilt, beautifully adapted for cinema as well.


Conclusion


This novel is not merely the story of a murderer but a reflection on the collapse of the mind and the questions of evil and forgiveness. Kim Young-ha challenges the boundaries between memory, identity, and morality through this haunting work.


Written & researched by Dr. Shahin Siami

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