Who Investigates a Death?

A Student’s Guide to the Medicolegal System

Introduction: Unraveling the Mystery

When a death is sudden or unexpected, who are the real-life professionals responsible for finding the answers? The crime shows on television often simplify the process, but in reality, a dedicated group of experts is tasked with this critical responsibility. This group is known as the Medicolegal Death Investigation (MLDI) system, the official body responsible for investigating and certifying unnatural and unexplained deaths in the United States.

This article will guide you through this complex world, clearly explaining the four key professional roles—the Coroner, the Medical Examiner, the Forensic Pathologist, and the Medicolegal Death Investigator—and clarifying how they differ, what they do, and why their work is vital to us all.

1. Two Systems, One Goal: Coroner vs. Medical Examiner

The United States doesn’t have a single, uniform system for death investigation. Instead, states and counties primarily use one of two different approaches: a Coroner system or a Medical Examiner system.

The Coroner system has deep historical roots, inherited from medieval England. The term “coroner” itself comes from the Norman-French word corouner, meaning “crown officer,” reflecting the role’s original purpose of investigating suspicious deaths to protect the interests of the king. The office was formally established in England during the 12th century under the reign of King Richard I.

As the demand for medical expertise in death investigations grew, a new approach emerged. Massachusetts was the first to replace coroners with medically qualified examiners in 1877, and the first modern Medical Examiner system was established in New York City in 1918. This change marked a significant shift toward ensuring medical proficiency in determining the cause of death.

The table below summarizes the core differences between these two systems.

 

Feature	Coroner System	Medical Examiner System
Typical Role	An elected or appointed official who oversees death investigations. May or may not have medical training.	An appointed physician with specialized training responsible for investigating deaths.
Primary Qualification	Varies widely; can be non-medical (e.g., registered voter, minimum age, no felony convictions). In some areas, sheriffs perform coroner duties.	Must be a physician, often with specialized training in forensic pathology or a related field.
Historical Roots	Ancient, inherited from English law dating back to the 12th century.	More modern, with the first system established in New York City in 1918 to ensure medical proficiency.

 

Now that you understand the two broad systems, let’s meet the specific professionals who work within them to uncover the truth.

 

2. Meet the Professionals: A Breakdown of the Key Roles

Within the coroner and medical examiner systems, several distinct professionals collaborate to investigate a death. Each has a unique role, set of qualifications, and specific duties.

2.1 The Coroner

A Coroner is an official who oversees death investigations and certifies the cause and manner of death in their jurisdiction.

Reflecting its historical and administrative roots, the qualifications for a coroner are highly variable by jurisdiction.

• Often an elected official.
• Common qualifications can be administrative, such as being a registered voter, meeting an age threshold (typically between 18 and 25), and having no felony convictions.
• In some states, coroners are required to be physicians, while in others, they must rely on medical examiners or forensic pathologists to perform autopsies.

2.2 The Medical Examiner

A Medical Examiner is a physician responsible for investigating deaths that are sudden, unexpected, or violent.

The role of Medical Examiner is defined by rigorous medical qualifications and professional appointment.

• They are physicians, which is a key distinction.
• They are typically appointed, not elected, based on their professional credentials.
• They are required in nearly all jurisdictions to have specialized training in forensic pathology or a related field.

2.3 The Forensic Pathologist

A Forensic Pathologist is a physician with a highly specialized subspecialty in pathology, focusing on conducting autopsies to determine the cause and manner of unnatural or suspicious deaths.

Their path to becoming an expert is long and rigorous, requiring extensive education and training.

1. Medical Degree: Obtain a degree from an accredited medical school.
2. Residency Training: Complete a 3-4 year residency in a program such as anatomical pathology, combined anatomic and clinical pathology, or combined anatomic and neuropathology.
3. Fellowship Program: Undertake a 1-2 year specialized fellowship in forensic pathology.
4. Board Certification: Pass examinations to become board-certified by the American Board of Pathology.

It is critical to note that there is a serious nationwide shortage of board-certified forensic pathologists. The source highlights the severity of this issue, noting that as of 2019, there were “only 400-500 physicians who practice forensic pathology full time, which is less than half of the total estimated need for 1,100-1,200.” A more recent estimate places the number around 800, still far short of the “twice as many… needed.” This critical shortage directly impacts the quality of death investigations nationwide, potentially leading to incomplete evidence collection, incorrect conclusions, and unreliable death statistics.

2.4 The Medicolegal Death Investigator

A Medicolegal Death Investigator is a critical support professional who is often the first to arrive at and examine a death scene.

They are the eyes and ears for the coroner or medical examiner, gathering the essential information needed to understand the context of the death.

• Documenting the Scene: Taking photographs and meticulously recording details.
• Gathering History: Collecting the decedent’s medical history and interviewing witnesses and family members.
• Managing the Body and Evidence: Properly handling the body and assisting in maintaining the chain of custody for evidence to ensure its integrity.
• Assisting the Pathologist: Providing a detailed report of their findings to give crucial context for the autopsy.

These individual roles do not work in isolation. They form a collaborative team, and the following table shows how their duties fit together.

3. At a Glance: Who Does What?

This table synthesizes the information about each professional, providing a clear, side-by-side comparison of their roles, qualifications, and duties.

 

Professional	Primary Role	Typical Qualifications	Key Duties
Coroner	Oversees death investigations in a jurisdiction.	Varies widely: Can be an elected official with non-medical requirements (age, voter status) or a licensed physician.	Certifies cause and manner of death; may order or perform autopsies depending on qualifications.
Medical Examiner	A physician who investigates deaths that are sudden, unexpected, or violent.	Physician (M.D.); typically appointed; specialized training in forensic pathology or a related field is required.	Determines cause and manner of death using medical expertise; reviews medical history; conducts physical examinations.
Forensic Pathologist	A medical subspecialist who determines cause and manner of death through postmortem examination.	Board-certified physician with extensive residency and fellowship training in pathology and forensic pathology.	Conducts autopsies; analyzes tissues and toxicology; provides expert testimony in court.
Medicolegal Death Investigator	Gathers information and evidence at the death scene.	No formal degree programs; training and professional certification are available.	Documents the scene; interviews witnesses; collects medical history; ensures proper handling of the body and chain of custody for evidence.

Now that we understand who these professionals are and what they do, let’s explore why their work is so important for society as a whole.

 

4. Why Their Work Matters to Everyone

The work of death investigation professionals extends far beyond solving crimes. Their findings have a profound impact on criminal justice, public health, and our national understanding of mortality trends.

• Criminal Justice By providing impartial evidence from autopsies, medical records, and scene analysis, these experts offer crucial information for legal proceedings. Their expert testimony in court can be a deciding factor in the outcome of a trial, ensuring that justice is based on scientifically-sound evidence.
• Public Health Medical examiners and coroners often act as frontline sentinels who are the first to identify emerging health threats. Their data is essential for tracking drug-related deaths (like the opioid crisis) and identifying infectious disease outbreaks (such as COVID-19). They also investigate deaths related to workplace or environmental factors, such as toxic chemicals, and can identify unusual patterns that might indicate bioterrorism or mass poisoning. A perfect real-world example of this impact comes from Susan Baker, who in 1979 had a hunch that infants had higher death rates in car crashes. As she recalled, “Using death certificate data… it took me about 10 minutes to discover that my hunch had been correct… my simple analysis had far-reaching results.” Her findings were published and eventually led to laws requiring the use of infant car seats, saving countless lives.
• Accurate Data The cause and manner of death recorded on every death certificate supply crucial data for national mortality statistics. This information is reported to state health departments and aggregated by the National Center for Health Statistics (NCHS) through the National Vital Statistics System (NVSS). This comprehensive data helps experts analyze health trends, track changes in life expectancy, and identify areas where public safety interventions are needed most.

5. Conclusion: A System of Experts

The U.S. medicolegal death investigation system is a complex patchwork of different systems, professionals, and resources. There is no single, uniform approach, and qualifications can vary significantly from one jurisdiction to the next.

From the on-scene investigator who gathers the first clues to the highly trained forensic pathologist who performs the autopsy, each role is a crucial piece of the puzzle. However, it’s important to recognize that this system often faces significant challenges, including chronic underfunding and resource disparities. The dedication of qualified professionals is vital for ensuring that every death investigation is accurate, impartial, and thorough—a standard that is essential for both justice and public health.

Contact A Wrongful Death Lawyer Near You

If you have lost a loved one and feel that their death was not investigated adequately we urge you to reach out to the team here at the Lovely Law Firm. We will do all we can to get you the answers you’re looking for and fight for justice. Contact our office to book a free case consultation with one of our wrongful death attorneys in Myrtle Beach.