<p>Female (dotted) and male (solid) probability curves for individuals with DISH, estimated... more <p>Female (dotted) and male (solid) probability curves for individuals with DISH, estimated from an American mortality sample through empirical smoothing. Male frequencies increase with advancing age. The female curve, with a peak around 60 years, indicates that women with early-onset DISH experience a relatively high risk of dying around that age.</p
<p>Vertebrae from a male, 81 years old, with the distinctive DISH ossification resembling c... more <p>Vertebrae from a male, 81 years old, with the distinctive DISH ossification resembling candlewax.</p
Forensic and biological anthropology have long been in the practice of recovering remains in atyp... more Forensic and biological anthropology have long been in the practice of recovering remains in atypical environments. It is necessary to accomplish any form of survey during the day while bones are more visible, rather than scour the landscape at night with handheld lights that only allow a short amount of light penetration through the darkness. Recovery of evidence is essential in every forensic case and new technologies using alternate light sources (ALS) has led to much discovery of human organic material left at crime scenes. It is with this understanding that researchers now know human bone will fluoresce under specific wavelengths of alternate light. This project was constructed to observe and photograph fluorescence of fresh, anatomical, and historic bone under alternate light source wavelengths paired with a red, amber, or yellow glass filters. The results confirmed that bone from all three categories would fluoresce and would be highly visible under low and high BMT paired with the red glasses. The research then proves that utilizing alternate light sources would be successful in outdoor surveys and skeletal recovery
Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , pro... more Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , provide some of the most difficult investigative challenges for fire responders, investigators, forensic experts, and law-enforcement agents. Fatal-fire scenes are often much more complex than other outdoor crime scenes not only because the body and individual skeletal elements are significantly modified by fire, but also because the entire surrounding contextual environment is likewise dramatically modified (Figure 6.1). Thermal modifications result in a homogeneous coloration of the human remains and surrounding matrix, making it difficult to distinguish the body and burned skeletal elements from the surrounding substrate debris. These circumstances increase the chance of missing some of the burned and fragmented remains during the typical forensic processing of the scene. If not detected, skeletal remains may be trampled upon during the recovery process or left behind at the scene. Added to these considerations is the fact that fire suppression and extinguishing efforts by firefighters often involve spraying the scene with water under high pressure, which typically results in dispersed and further fragmented biological remains. All of these issues adversely influence subsequent investigative efforts. Given the real and perceived effects of fire on human remains, it is not surprising that fire is a common method for attempting to conceal evidence of criminal activity
Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , pro... more Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , provide some of the most difficult investigative challenges for fire responders, investigators, forensic experts, and law-enforcement agents. Fatal-fire scenes are often much more complex than other outdoor crime scenes not only because the body and individual skeletal elements are significantly modified by fire, but also because the entire surrounding contextual environment is likewise dramatically modified (Figure 6.1). Thermal modifications result in a homogeneous coloration of the human remains and surrounding matrix, making it difficult to distinguish the body and burned skeletal elements from the surrounding substrate debris. These circumstances increase the chance of missing some of the burned and fragmented remains during the typical forensic processing of the scene. If not detected, skeletal remains may be trampled upon during the recovery process or left behind at the scene. Added to these considerations is the fact that fire suppression and extinguishing efforts by firefighters often involve spraying the scene with water under high pressure, which typically results in dispersed and further fragmented biological remains. All of these issues adversely influence subsequent investigative efforts. Given the real and perceived effects of fire on human remains, it is not surprising that fire is a common method for attempting to conceal evidence of criminal activity
<p>Female (dotted) and male (solid) probability curves for individuals with DISH, estimated... more <p>Female (dotted) and male (solid) probability curves for individuals with DISH, estimated from an American mortality sample through empirical smoothing. Male frequencies increase with advancing age. The female curve, with a peak around 60 years, indicates that women with early-onset DISH experience a relatively high risk of dying around that age.</p
<p>Vertebrae from a male, 81 years old, with the distinctive DISH ossification resembling c... more <p>Vertebrae from a male, 81 years old, with the distinctive DISH ossification resembling candlewax.</p
Forensic and biological anthropology have long been in the practice of recovering remains in atyp... more Forensic and biological anthropology have long been in the practice of recovering remains in atypical environments. It is necessary to accomplish any form of survey during the day while bones are more visible, rather than scour the landscape at night with handheld lights that only allow a short amount of light penetration through the darkness. Recovery of evidence is essential in every forensic case and new technologies using alternate light sources (ALS) has led to much discovery of human organic material left at crime scenes. It is with this understanding that researchers now know human bone will fluoresce under specific wavelengths of alternate light. This project was constructed to observe and photograph fluorescence of fresh, anatomical, and historic bone under alternate light source wavelengths paired with a red, amber, or yellow glass filters. The results confirmed that bone from all three categories would fluoresce and would be highly visible under low and high BMT paired with the red glasses. The research then proves that utilizing alternate light sources would be successful in outdoor surveys and skeletal recovery
Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , pro... more Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , provide some of the most difficult investigative challenges for fire responders, investigators, forensic experts, and law-enforcement agents. Fatal-fire scenes are often much more complex than other outdoor crime scenes not only because the body and individual skeletal elements are significantly modified by fire, but also because the entire surrounding contextual environment is likewise dramatically modified (Figure 6.1). Thermal modifications result in a homogeneous coloration of the human remains and surrounding matrix, making it difficult to distinguish the body and burned skeletal elements from the surrounding substrate debris. These circumstances increase the chance of missing some of the burned and fragmented remains during the typical forensic processing of the scene. If not detected, skeletal remains may be trampled upon during the recovery process or left behind at the scene. Added to these considerations is the fact that fire suppression and extinguishing efforts by firefighters often involve spraying the scene with water under high pressure, which typically results in dispersed and further fragmented biological remains. All of these issues adversely influence subsequent investigative efforts. Given the real and perceived effects of fire on human remains, it is not surprising that fire is a common method for attempting to conceal evidence of criminal activity
Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , pro... more Fire scenes that include human victims in the rubble, hereafter termed the fatal-fire scene , provide some of the most difficult investigative challenges for fire responders, investigators, forensic experts, and law-enforcement agents. Fatal-fire scenes are often much more complex than other outdoor crime scenes not only because the body and individual skeletal elements are significantly modified by fire, but also because the entire surrounding contextual environment is likewise dramatically modified (Figure 6.1). Thermal modifications result in a homogeneous coloration of the human remains and surrounding matrix, making it difficult to distinguish the body and burned skeletal elements from the surrounding substrate debris. These circumstances increase the chance of missing some of the burned and fragmented remains during the typical forensic processing of the scene. If not detected, skeletal remains may be trampled upon during the recovery process or left behind at the scene. Added to these considerations is the fact that fire suppression and extinguishing efforts by firefighters often involve spraying the scene with water under high pressure, which typically results in dispersed and further fragmented biological remains. All of these issues adversely influence subsequent investigative efforts. Given the real and perceived effects of fire on human remains, it is not surprising that fire is a common method for attempting to conceal evidence of criminal activity
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