Graham Hetrick is a veteran coroner who has conducted numerous autopsies and uncovered the stories of victims that would have otherwise remained silent. He's known for his work as a coroner for Dauphin County, PA, and is shown on the series The Coroner: I Speak for the Dead, in which he discusses homicide cases he was involved in.

He is a well known expert on drug abuse, child death and child abuse, organ tissue donation, violent crimes, medical legal death investigation, forensic methodology, and the grieving process. Memberships and accreditations:

- The American Academy of Forensic Sciences

- The American College of Forensic Examiners

- The International Association of Bloodstain Pattern Analysis

- The National Coroner/Medical Examiner Advisory Board

- The Pennsylvania Coroner's Association

- The Institute for Behavioral Profiling