Forensic Insights and Health Sciences Bulletin

Calliphora vicina as a forensic bioindicator: Integrating developmental biology, thermal modeling, and molecular tools for accurate postmortem interval estimation

2025-05-20T02:41:19+00:00

In forensic investigations, Calliphora vicina, a member of the Calliphoridae family, is essential, especially when estimating post-mortem intervals (PMI). Because of its consistent growth stages, C. vicina, one of the first insects to colonize decaying remains, provides important chronological markers. It is particularly useful in forensic casework because of its durability in a variety of environmental circumstances, preference for cooler climates, and comprehensive developmental schedules. Its dependability in forensic applications has been further improved by recent developments in temperature-based development modeling and molecular identification. Accurate forensic interpretations depend on an understanding of the biology, ecology, and developmental factors of C. vicina, which remains a primary focus of forensic entomology research.

Underwater forensic science: Environmrntal challenges , technological innovations, and multidisciplinary approaches to submerged crime scene investigations

2025-05-21T09:11:07+00:00

Submarine crime investigations present their own distinctive array of forensic complexities, environmental considerations, and logistical constraints that usually rule in a quest for truth beneath the surface. The aquatic environment is an added consideration with regard to current, temperature, visibility, and biological activity that can shift, degrade, or alter evidence pertinent to a criminal investigation. This article discusses the rich reality of underwater forensic crime scene investigation, delving into what kind of equipment, method, and multi-disciplinary expertise are needed to manage such intricate affairs. From the lifting of water-logged bodies and guns to trace evidence storage and aquatic decomposition analysis, highly technical approaches tailored to hostile and unstable environments underwater must be utilized. New technologies—underwater remote-operated vehicles (ROVs), side-scan sonar, 3D photogrammetry, and the recovery of aquatic DNA—have greatly enhanced efficiency and accuracy in finding and recording evidence. There are problems to be overcome, however, most crucially chain of custody, reducing contamination, and interpretation of forensic information to suit marine environments. The work also refers to the role of forensic divers, underwater archaeologists, and marine biologists in establishing a coordinated and systematic approach to underwater investigations. Through observing true case studies and latest studies, this research uncovers dynamic technologies and strategies transforming today's underwater forensics. Through solving these underwater enigmas, this article seeks to create a stronger basis for submerged crime scenes and support advancements that guarantee justice is served, even in our world's most remote edges.

Forensic DNA analysis: Advancements and obstacles in it's application at crime scenes

2025-05-21T09:54:57+00:00

Forensic DNA testing has transformed contemporary investigative work, becoming an essential crime scene examination, suspect identification, and court tool. Technologically, since its introduction in the 1980s, the discipline has grown exponentially—through Restriction Fragment Length Polymorphism (RFLP) to Polymerase Chain Reaction (PCR), Short Tandem Repeats (STR), and now Next-Generation Sequencing (NGS). These have improved sensitivity, speed, and capacity to examine degraded or low-yield samples. Modern technology like Rapid DNA testing, touch DNA typing, mitochondrial DNA profiling, and single nucleotide polymorphism (SNP) panels has significantly improved forensic capability, making DNA testing more accessible and affordable even in field or resource-poor situations. Though successful, the science also faces deep-seated challenges. Technical challenges like contamination, allele drop-out, and interpretive problems with mixed or low-template DNA samples remain persistent challenges. Touch DNA and Rapid DNA technologies, though positive, are concerns from an aspect of reliability, particularly in juridical environments where proof has to be highly admissible. Increased application of mass forensic DNA databases has also triggered the very serious ethical concerns around individual privacy, informed consent, data protection, and threat of misuse or discrimination. Legal frameworks have to deal with these through good policy and transparent governance models. Moreover, there are operational impediments—like resource limitations, laboratory congestion, and differential procedural norms—that impede the functionality of forensic work globally. Overcoming these issues requires investment in infrastructure, expert training, and cross-disciplinary collaboration between scientific, legal, and policy-making communities. This report points to the historical advancements and continuing pitfalls of forensic DNA testing. It invokes sustained technological advancement, ethical awareness, and institutional support in order to achieve the highest potential of DNA evidence and protect the rights and confidence of the public. By such efforts, forensic DNA testing can continue to be the pillar of sound and fair criminal investigations.

Vertebral injury patterns in suicidal vs homicidal falls: A forensic and physical therapy collaborative framework

2025-10-30T13:18:48+00:00

The distinction between suicidal and homicidal falls is one of the most complex forensic pathology challenges. Vertebral trauma as an integral diagnostic marker in determining the intent of fatal falls is what the current paper investigates. Vertebral fracture patterns, related soft tissue damages, and correlation with the scene of occurrence are the areas of focus for the study in order to differentiate patterns that are characteristic of each type of death. Suicidal falls are largely defined by vertical axial compression fractures of the lower cervical and lumbar spine that are found in the absence of restraint or defensive trauma. In contrast, homicidal falls often exhibit non-uniform fracture distributions, upper cervical or mid-thoracic injuries, and associated peri¬¬mortem evidence like blunt-force trauma, strangulation marks, or limb restraint. Introduction of postmortem imaging, such as CT and radiographic examination, improves detection of faint vertebral and ligamentous trauma, providing more dependable biomechanical analysis. Comparative case analysis also confirms that correlation of vertebral injury with external and circumstantial evidence presents a valid foundation for differentiating self-inflicted from externally inflicted falls. The research stresses a multidisciplinary method—integrating anatomical, biomechanical, and contextual examination—to enhance the precision of forensic conclusions and facilitate judicial clarity in doubtful death cases.

Applying forensic technology for crimes investigations in cold cases

2025-11-19T21:19:29+00:00

It focuses on advanced forensic technologies as a key piece in the puzzle of solving cold cases—crimes that go unsolved usually because there is no one to hold accountable, the memories of close witnesses fade or the old means of gathering information do not meet today’s standards. It illustrates how recent advances in technology, particularly those related to DNA kitting, genotyping, digital forensics and AI analysis have transformed law enforcement’s capacity to revisit and finally solve these cases that were once believed unsolvable. The paper describes the problems that cold cases create, such as evidence deterioration or lack of preservation, and the difficulty involved in reopening old investigations. It also highlights the game-changing effects of contemporary techniques such as next-generation DNA sequencing, re-evaluations in forensic pathology, and the use of AI to assist with collating large data sets and improve accuracy—and speed—of investigations. And there have been high-profile solves of cold cases, such as the Golden State Killer identification, that demonstrate how useful these technologies can be. In addition, the paper explores the emerging impact of forensic specialists who use novel scientific methods to re-evaluate past evidence in an impartial manner and by providing better solutions for justice. It is expected that the future of cold case investigations will strongly depend on further innovations in AI, machine learning and bioinformatics to achieve a more sensitive and deeper analysis on small or decomposed samples. Concerns of ethical nature regarding genetic privacy and data safety are seen as necessary for responsible use of such a novel technology. Finally, it is contended that the assimilation of these multi-disciplinary forensic developments is certain to have a major impact on solve rates while providing long overdue justice to victims and their families, all within the context of moving forensic investigations from reactive strategies to proactive tactics in solving enduring criminal mysteries. This abstract is a part of the intersection between forensic science and technology as work horses to meet the difficult problems facing cold case investigations and illustrates how justice can be realized for unsolved crimes.

Evaluating the impact of air pollution on respiratory health in Lahore, Pakistan

2026-01-28T06:19:02+00:00

Air pollution in Lahore, Pakistan remains an acute public health emergency. The city frequently records highly elevated concentrations of fine particulate matter (PM2.5), reaching far above internationally recognized safety levels. Monitoring studies have shown mean PM2.5 concentrations near 262 µg/m³, with extreme peaks as high as 420 µg/m³, compared to the 15 µg/m³ guideline recommended by the World Health Organization (WHO). Recent reports also recorded PM2.5 values above 340 µg/m³ during severe smog episodes with the Air Quality Index (AQI) reaching 533, classified as “hazardous”. These hazardous air quality levels cause deep penetration of fine particles into the respiratory tract, triggering inflammation, reduced lung function, exacerbation of asthma, bronchitis, and other chronic respiratory impairments. Hospital data shows dramatic increases in respiratory and allergic cases during smog peaks, with tens of thousands of patients reported in single weeks of intense pollution. This paper integrates environmental data, clinical findings, and epidemiological trends to comprehensively evaluate the respiratory health impacts of air pollution on residents of Lahore and suggests evidence-based strategies for mitigation.

A case-control study on dietary patterns and risk of type 2 diabetes in Pakistani adults

2026-01-28T11:08:26+00:00

Although type 2 diabetes mellitus is a rapidly expanding public health concern in Pakistan, little is known about how dietary patterns affect the risk of the disease on this population. A culturally modified food frequency questionnaire was used in this case-control study to measure dietary intake in 225 newly diagnosed T2DM cases and 225 matched controls. Three main nutritional patterns were found using principal component analysis. A substantially reduced incidence of type 2 diabetes was linked to a diet high in plant proteins, calcium, potassium, vitamins A, C, B2 and dietary fibre. Poor glycaemic control in people with diabetes was found to be independently associated with excessive sugar intake, low fibre consumption, and irregular meal frequency.

A cross-sectional study for the assessment of psychological impact of covid-19 pandemic on Pakistani healthcare workers

2026-02-02T04:52:10+00:00

The COVID-19 pandemic placed substantial psychological demands on healthcare workers, particularly in resource-limited settings such as Pakistan. We conducted a cross-sectional online survey between 2020 and 2021 to assess levels of depression, anxiety, and stress among healthcare workers across multiple provinces of Pakistan. A total of 100 participants, including physicians, nurses, and pharmacists, were enrolled. Mental health outcomes were measured using PHQ-9, GAD-7, and DASS-21 standardized assessment tools. We found that more than half of the participants reported severe levels of anxiety and stress, while over one-third experienced moderate to severe depressive symptoms. Female healthcare workers and those directly involved in patient care demonstrated significantly higher psychological distress scores. Fear of transmitting COVID-19 to family members emerged as the most frequently reported significant stressor, followed by increased workload and shortages of protective equipment. Our findings highlight the psychological vulnerability of Pakistani healthcare workers during public health emergencies and emphasize the need for targeted mental health interventions, including counseling services, workload management strategies, and institutional support programs to improve resilience during future crises.

Predicting post-mortem interval of porcine remains in Choba, southern Nigeria using accumulated degree days and total body score

2026-02-16T06:19:10+00:00

Background: Accurate post-mortem interval (PMI) estimation is fundamental to death investigations, yet forensic models from temperate regions often fail in tropical climates. This study evaluated the reliability of accumulated degree days (ADD) and total body score (TBS) for PMI estimation in the distinct seasonal environment of Choba, southern Nigeria. Methods: We monitored the decomposition of six porcine carcasses as human analogues across dry and rainy seasons. A regionally adapted Total Body Score system was applied daily. Ambient temperature data were collected to calculate ADD. Seasonal predictive models for PMI were generated using multiple regression analysis. Results: During the dry season, both ADD and TBS strongly predicted PMI, forming a robust model (R² = 0.863). In the rainy season, despite a high overall correlation, neither variable was a significant independent predictor, although the model explained substantial variance (R² = 0.916). Conclusions: While ADD and TBS are effective for PMI estimation in dry tropical conditions, their predictive utility is significantly confounded by wet season factors like rainfall and humidity. This underscores an urgent need for season-specific forensic models in tropical West Africa to improve investigative accuracy.

Epidemiology and zoonotic impact of brucellosis in ruminants from a one health perspective

2026-03-31T05:31:01+00:00

Brucellosis is a global chief zoonotic infection that plagues all ruminants and humans and results in reproductive problems like infertility, abortions, and low milk manufacturing in livestock sector, and febrile diseases with chronic complications in humans. This disease has developed in a significant economic problem and a health concern within the community. Especially in endemic areas where the people have very close contact with the animals and the consumption of unpasteurized dairy products is dominant. The key reservoirs are ruminants that spread from animal-to-animal and animal-to-human infections and environmental persistence of Brucella continues to keep its transmission. The risk factors are reproductive management, biosecurity of farm, Herd size, occupational exposure and informal livestock trades. The test, vaccination, and slaughter policies with increased farm hygiene and public awareness campaigns is necessary to decrease the source of the infection and the transmission of Brucellosis. One Health is a framework that includes animal health systems, human health systems, and environmental health systems. One health is vital to the coordination of initial identification, surveillance and the application of evidence-based interventions. The significance of policies, diagnosis, establishment of intersectoral cooperation, and the promotion of epidemiological, and vaccine efficiency in the research improves the achievement of the control and eradication programs. A universal One Health way out to the current issue of brucellosis is not only the reduction of the burden in animal and human health but also sustainable livestock management, resilience of people and economic sustainability. This review provides zoonotic effect, current synthesis of the epidemiology, and control and regulatory measures against brucellosis in ruminants and humans with main accent on the relevance of interdisciplinary tactics in the management of the brucellosis.