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Death investigation on tribal lands and of American Indian/Alaska Native (AIAN) people is complex and not well documented. An analysis of data from the 2018 Census of Medical Examiner and Coroner Offices (CMEC) provides a timely update on the extent of medicolegal death investigations (MDIs) on federal and state-recognized tribal lands. An estimated 150 MEC offices serve tribal lands, however, 44 % of these offices (i.e., 4 % of MEC offices) do not track cases from tribal lands separately. MEC offices with a population of 25,000 to 250,000 that serve tribal lands had more resources and access to information to perform MDIs than all other MEC offices. Analysis also indicates that the median number of unidentified human remains cases from MECs serving tribal lands is 6 times higher than that of jurisdictions not serving tribal lands. This analysis begins to elucidate gaps in the nation's understanding of MDI on tribal lands.

Technology uses among medical examiner and coroner (MEC) offices in the United States are not well characterized, yet technology is essential to job-performing duties. Resources, operational infrastructure, and MECs' policies and procedures that affect technology use should be better understood. MEC offices need access to technologies like internet, case management systems (CMSs), databases, and advanced imaging to perform their basic duties. A current state of the technologies MEC offices use to complete a death investigation is presented by analyzing data from the 2018 Census of Medical Examiner and Coroner Offices. This analysis shows the New England division reported the most internet and CMS access. Many offices reported limited access to, and low participation in, databases for assessing and sharing case data. Offices serving populations >250,000 have more access to the internet, CMSs, databases, and advanced imaging. Although MEC office technology use has improved over time, it is still disparate.

In the United States, medical examiners and coroners (MECs) fill critical roles within our public health and public safety systems. These professionals are primarily charged with determining the cause and manner of death as they investigate deaths and respond to associated scenes and mass fatalities and can also help identify trends in public health crises through medicolegal death investigations. Despite their instrumental role, they are organized in disparate systems with varying governing structures, functions, staffing, caseload, budget, and access to resources. This paper examines data from the 2018 Census of Medical Examiner and Coroners to evaluate MEC operations in the United States. The findings show that MEC offices’ organizational and operational governance structures greatly influence resources, workloads, and access to information and services. Standalone MEC offices were generally better resourced than those affiliated with law enforcement, public health, forensic science, district attorneys, or other agencies.1

Researchers use public records from deceased individuals to identify trends in manners and causes of death. Errors in the description of race and ethnicity can affect the inferences researchers draw, adversely impacting public health policies designed to eliminate health inequity. Using the New Mexico Decedent Image Database, we examine: 1) the accuracy of death investigator descriptions of race and ethnicity by comparing their reports to those from next of kin (NOK), 2) the impact of decedent age and sex on disagreement between death investigators and NOK, and 3) the relationship between investigators’ descriptions of decedent race and ethnicity and cause and manner of death from forensic pathologists (n = 1813). Results demonstrate that investigators frequently describe race and ethnicity incorrectly for Hispanic/Latino decedents, especially regarding homicide manner of death and injury and substance abuse causes of death. Inaccuracies may cause biased misperceptions of violence within specific communities and affect investigative processes.

Decomposition studies have been conducted in several regions of the world, but relatively few have investigated taphonomy in tropical environments. Even fewer have explored carcass decomposition during multiple tropical seasons, leaving the relationships between season and decomposition in tropical environments poorly understood. Ten decomposition studies using 30 carcasses were conducted in Honolulu, Hawaii, USA to start addressing this knowledge gap. These studies show that some postmortem processes were observed regardless of season. Carcass temperature and chemistry were spatiotemporally variable. Fly larval masses were consistently observed within 3 days (∼75 ADD) postmortem and carcasses lost 60%–90% of mass by 10 days (∼250 ADD) postmortem (Total Body Score ∼26). Season had a significant effect on decomposition, yet the warmest and most humid seasons did not always result in the most rapid and extensive decomposition. Seasonal variation appears to be less pronounced than at other tropical decomposition sites.

In the United States, the governance of unnatural death certification varies greatly by state. Although cross-sectional research has linked mortality data quality with variation in medicolegal death investigation systems across states-especially with regards to drug-related deaths-this relationship has not be sufficiently tested using longitudinal data. This research assesses the impact of system governance reform on the quality of drug mortality data by assessing the impact of transitioning from a coroner system to a medical examiner system on data quality. The research finds no evidence that system-level reform is associated with improved drug-related mortality data quality. These findings suggest that alternative methods should be examined for improving public health data concerning drug-related mortality. These likely include focusing on individual-level characteristics and practices of officials and offices, rather than system-level variables., Competing Interests: Declaration of competing interest This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. The author reports there are no competing interests to declare., (Copyright © 2024 Elsevier Ltd and Faculty of Forensic and Legal Medicine. All rights reserved.)