A Childhood of Pain and Isolation

The Good Nurse: A True Story of Medicine, Madness, and Murder

This thread traces the formative losses and humiliations in Cullen’s early life without treating them as an excuse for his later violence.

increasing

Bearing strength in each event

decreasing

A Crowded Childhood A Crowded Childhood from "The Good Nurse: A True Story of Medicine, Madness, and Murder". A Crowded Childhood A Late Arrival Cullen grew up in a working-class Irish Catholic household as one of the youngest children.

A Crowded Childhood from "The Good Nurse: A True Story of Medicine, Madness, and Murder". A Crowded Childhood A Late Arrival Cullen grew up in a working-class Irish Catholic household as one of the youngest children.

A Crowded Childhood A Late Arrival Cullen grew up in a working-class Irish Catholic household as one of the youngest children. His siblings were older, and the family home was marked by economic strain, addiction, and instability. A Narrow Refuge His mother offered the affection and protection he depended on, but her care could not erase the wider disorder surrounding him. Cullen later described his childhood as miserable and remembered feeling alone. The book presents this history as context for his hunger for attention and safety, not as a simple cause of murder. Many people endure painful childhoods without harming others.

The Loss of His Mother The Loss of His Mother from "The Good Nurse: A True Story of Medicine, Madness, and Murder". The Loss of His Mother A Sudden Death Cullen’s mother died after a car crash while he was still in high school.

The Loss of His Mother from "The Good Nurse: A True Story of Medicine, Madness, and Murder". The Loss of His Mother A Sudden Death Cullen’s mother died after a car crash while he was still in high school.

The Loss of His Mother A Sudden Death Cullen’s mother died after a car crash while he was still in high school. When he went to Mountainside Hospital, he believed staff had lied to him about where her body had been taken. Grief Becomes Distrust The experience deepened his anger toward hospitals and his conviction that no one properly treated his pain. He attempted suicide and began to imagine the hospital as both a place of loss and a place where suffering might be acknowledged. The loss was a decisive rupture in Cullen’s life, but it does not explain or justify his later actions. Its importance lies in the meanings he carried from it into adulthood.

An Identity in Uniform An Identity in Uniform from "The Good Nurse: A True Story of Medicine, Madness, and Murder". An Identity in Uniform Escape Through Enlistment Cullen joined the United States Navy after his mother’s death, drawn to the promise of a uniform, purpose, and…

An Identity in Uniform from "The Good Nurse: A True Story of Medicine, Madness, and Murder". An Identity in Uniform Escape Through Enlistment Cullen joined the United States Navy after his mother’s death, drawn to the promise of a uniform, purpose, and…

An Identity in Uniform Escape Through Enlistment Cullen joined the United States Navy after his mother’s death, drawn to the promise of a uniform, purpose, and distance from home. Submarine duty instead brought isolation, humiliation, and repeated conflict with authority. Another Failed Exit Alcohol misuse and suicide gestures led to psychiatric treatment, but Cullen remained unable to imagine a stable future. He eventually left military life and searched for a different identity. The uniform promised belonging but could not deliver it. Nursing later appeared to offer a more intimate and affirming version of the same structure.

Chosen at Nursing School Chosen at Nursing School from "The Good Nurse: A True Story of Medicine, Madness, and Murder". Chosen at Nursing School A New Community Cullen became the only male student in his nursing class at Mountainside Hospital.

Chosen at Nursing School from "The Good Nurse: A True Story of Medicine, Madness, and Murder". Chosen at Nursing School A New Community Cullen became the only male student in his nursing class at Mountainside Hospital.

Chosen at Nursing School A New Community Cullen became the only male student in his nursing class at Mountainside Hospital. He performed well academically and was encouraged to run for class president when another student withdrew. Recognition Arrives Winning the symbolic position made Cullen feel special and accepted by a community of professional caregivers. He experienced the role as close to love, a recognition largely absent from his earlier life. This moment helps explain why nursing became central to his identity. It does not explain the crimes that followed, but it shows how deeply he invested in being seen as a valued caregiver.

Pain Without Excuse Pain Without Excuse from "The Good Nurse: A True Story of Medicine, Madness, and Murder". Pain Without Excuse A Story of Injury Cullen’s past contains bereavement, family instability, alcoholism, depression, and repeated suicidal behavior.

Pain Without Excuse from "The Good Nurse: A True Story of Medicine, Madness, and Murder". Pain Without Excuse A Story of Injury Cullen’s past contains bereavement, family instability, alcoholism, depression, and repeated suicidal behavior.

Pain Without Excuse A Story of Injury Cullen’s past contains bereavement, family instability, alcoholism, depression, and repeated suicidal behavior. These experiences help frame the loneliness and need for attention described in the book. Responsibility Remains The same narrative shows Cullen making deliberate choices to poison patients and evade detection. His victims were not extensions of his childhood pain, and their deaths cannot be justified by his suffering. The book’s ethical balance depends on holding context and accountability together. Understanding the person is not the same as forgiving the crimes or diminishing the lives he took.

1960s to 1977

December 1977

1978 to 1984

March 1984

After the Confession