The role of the corner is to understand where organ and tissue donation is permissable according to the law within their jurisdiction. The following information from the United Kingdom provides a useful summary of how organ and tissue donation is approached in cases where the coroner may have an interest in the circumstances leading to death of the potential donor-
At times forensic medical specialists may wish to attend an organ donor retrieval should they be specifically interested in what may be found during the surgery. However in many countries as the lead retrieval surgeon is charged with providing a report to the coroner in so called 'corners cases' this may in fact suffice.
National Association of Medical Examiners position paper on the medical examiner release of organs and tissues for transplantation. Pinckard JK, Wetli CV, Graham MA; National Association of Medical Examiners. Am J Forensic Med Pathol. 2007 Sep;28(3):202-7.
Profile of organ donors not authorized for judicial reasons. Frutos MA, Ruiz P, Mansilla JJ, Lebrón M, Guerrero F, Ortuño R, Daga D, Carballo M, Baquedano B, Navarrete P, Gallego A, Pérez-Bernal J. Transplant Proc. 2008 Nov;40(9):2879-80.
Thank you for a very brief and clear and documented answers and links to the articles you provide answers from which I'm like someone who has long transplant got a very useful definition of the role of forensic pathologists in organ transplants!