The effect of the anti-coagulant EDTA on the deposition and adhesion of whole blood deposits on non-porous substrates
J Forensic Sci. 2024 Feb 28. doi: 10.1111/1556-4029.15483. Online ahead of print.ABSTRACTAn investigation into whether the addition of a commonly used anti-coagulant agent like ethylenediaminetetraacetic acid (EDTA) has an impact on the adhesion potential of blood to non-porous substrates was conducted. Two non-porous substrates (aluminum and polypropylene) exhibiting six different surface roughness categories (R1-R6) were used as test substrates upon which either whole blood or blood treated with EDTA was deposited. Samples were exposed to different drying periods (24 hours, 48 hours, and 1 week) before undergoing a tappi...
Source: Journal of Forensic Sciences - February 28, 2024 Category: Forensic Medicine Authors: Deborah A Hughes Roland A H van Oorschot Bianca Szkuta Xavier A Conlan Source Type: research
Evaluation of porcine decomposition and total body score (TBS) in a central European temperate forest
We present a modified approach based on experimental observations in a Swiss temperate forest. The identification of regional decomposition patterns and drivers will inform future taphonomy research as well as forensic casework in comparable contexts in Central Europe.PMID:38406861 | DOI:10.1111/1556-4029.15497 (Source: Journal of Forensic Sciences)
Source: Journal of Forensic Sciences - February 26, 2024 Category: Forensic Medicine Authors: Lara Indra Stephanie Giles Clara Alfsdotter David Errickson Sandra L ösch Source Type: research
Evaluation of porcine decomposition and total body score (TBS) in a central European temperate forest
We present a modified approach based on experimental observations in a Swiss temperate forest. The identification of regional decomposition patterns and drivers will inform future taphonomy research as well as forensic casework in comparable contexts in Central Europe.PMID:38406861 | DOI:10.1111/1556-4029.15497 (Source: Journal of Forensic Sciences)
Source: Journal of Forensic Sciences - February 26, 2024 Category: Forensic Medicine Authors: Lara Indra Stephanie Giles Clara Alfsdotter David Errickson Sandra L ösch Source Type: research
Evaluation of porcine decomposition and total body score (TBS) in a central European temperate forest
We present a modified approach based on experimental observations in a Swiss temperate forest. The identification of regional decomposition patterns and drivers will inform future taphonomy research as well as forensic casework in comparable contexts in Central Europe.PMID:38406861 | DOI:10.1111/1556-4029.15497 (Source: Journal of Forensic Sciences)
Source: Journal of Forensic Sciences - February 26, 2024 Category: Forensic Medicine Authors: Lara Indra Stephanie Giles Clara Alfsdotter David Errickson Sandra L ösch Source Type: research
Use of thermal drone in detection and assessment of larval mass temperature in decomposed rabbit carcasses
This study investigated the potential of a novel search technique of thermal drones to detect surface remains through the detection of maggot mass temperatures. Two trials were carried out at Selangor, Malaysia, each utilizing 12 healthy male Oryctolagus cuniculus European white rabbits and DJI Matrice 300 RTK drone China, equipped with a thermal camera; Zenmuse H20T to record the thermal imaging footage of the carcasses at various heights (15, 30, 60-100 m) for 14 days for each trial. Our results demonstrated that the larval masses and corresponding heat emissions were at their largest during the active decay stage; there...
Source: Journal of Forensic Sciences - February 25, 2024 Category: Forensic Medicine Authors: Sharifah Mastura Syed Mohd Daud Chong Chin Heo Mohd Yusmiaidil Putera Mohd Yusof Lay See Khoo Mansharan Kaur Chainchel Singh Mohd Shah Mahmood Muhammad Dzulfiqri Bin Muhammad Nasir Hapizah Nawawi Source Type: research
Gabapentin in drugged driving investigations
J Forensic Sci. 2024 Feb 25. doi: 10.1111/1556-4029.15500. Online ahead of print.ABSTRACTThe increasing use and misuse of gabapentin pose a major risk to public health and traffic safety. Gabapentin has been approved by the Food and Drug Administration (FDA) since 1993 for adjunctive therapy in the treatment of epilepsy and neuralgia but is increasingly being prescribed for numerous off-label uses including insomnia, anxiety, depression, and migraine. Reported side effects include blurred vision, drowsiness, and loss of coordination. Driving behaviors such as exiting the lane of travel and crashes have been reported in con...
Source: Journal of Forensic Sciences - February 25, 2024 Category: Forensic Medicine Authors: Jolene J Bierly Ayako Chan-Hosokawa Source Type: research
DNA recovery after sequential processing of latent fingerprints on black polyethylene plastic
J Forensic Sci. 2024 Feb 25. doi: 10.1111/1556-4029.15498. Online ahead of print.ABSTRACTLatent fingerprints on plastic substrates can be visualized by using sequential treatments to enhance the contrast between the fingerprint residues and underlying substrate; however, the extent to which these processes affect subsequent DNA analysis is mostly unknown. Latent fingerprints deposited on black plastic by one donor were visualized with single-process fingerprint powders (i.e., white powder, bichromatic powder, or bichromatic magnetic powder) or sequential treatments (i.e., laser → reflected ultraviolet imaging system (RUV...
Source: Journal of Forensic Sciences - February 25, 2024 Category: Forensic Medicine Authors: Abigail S Bathrick Sarah Norsworthy Dane T Plaza Mallory N McCormick Donia Slack Robert S Ramotowski Source Type: research
Prescription eyeglasses as a forensic physical evidence: Prediction of age based on refractive error measures using machine learning algorithm
J Forensic Sci. 2024 Feb 23. doi: 10.1111/1556-4029.15493. Online ahead of print.ABSTRACTRefractive errors (RE) are commonly reported visual impairment problems worldwide. Previous clinical studies demonstrated age-related changes in human eyes. We hypothesized that the binocular RE metrics including sphere and cylinder power, axis orientation, and interpupillary distance (IPD) can be used for forensic age estimation of an unknown individual. RE data of both eyes were collected from the clinical optometric exams and prescription glasses of 2027 Egyptian individuals aged between 2 to 93 years. The differences between age gr...
Source: Journal of Forensic Sciences - February 23, 2024 Category: Forensic Medicine Authors: Maram Atef Moustafa Sara Attia Ghitani Marwa Abdelfattah Kholief Bassam Ahmed El-Sayed Abulnoor MennattAllah Hassan Attia Source Type: research
Prescription eyeglasses as a forensic physical evidence: Prediction of age based on refractive error measures using machine learning algorithm
J Forensic Sci. 2024 Feb 23. doi: 10.1111/1556-4029.15493. Online ahead of print.ABSTRACTRefractive errors (RE) are commonly reported visual impairment problems worldwide. Previous clinical studies demonstrated age-related changes in human eyes. We hypothesized that the binocular RE metrics including sphere and cylinder power, axis orientation, and interpupillary distance (IPD) can be used for forensic age estimation of an unknown individual. RE data of both eyes were collected from the clinical optometric exams and prescription glasses of 2027 Egyptian individuals aged between 2 to 93 years. The differences between age gr...
Source: Journal of Forensic Sciences - February 23, 2024 Category: Forensic Medicine Authors: Maram Atef Moustafa Sara Attia Ghitani Marwa Abdelfattah Kholief Bassam Ahmed El-Sayed Abulnoor MennattAllah Hassan Attia Source Type: research
Prescription eyeglasses as a forensic physical evidence: Prediction of age based on refractive error measures using machine learning algorithm
J Forensic Sci. 2024 Feb 23. doi: 10.1111/1556-4029.15493. Online ahead of print.ABSTRACTRefractive errors (RE) are commonly reported visual impairment problems worldwide. Previous clinical studies demonstrated age-related changes in human eyes. We hypothesized that the binocular RE metrics including sphere and cylinder power, axis orientation, and interpupillary distance (IPD) can be used for forensic age estimation of an unknown individual. RE data of both eyes were collected from the clinical optometric exams and prescription glasses of 2027 Egyptian individuals aged between 2 to 93 years. The differences between age gr...
Source: Journal of Forensic Sciences - February 23, 2024 Category: Forensic Medicine Authors: Maram Atef Moustafa Sara Attia Ghitani Marwa Abdelfattah Kholief Bassam Ahmed El-Sayed Abulnoor MennattAllah Hassan Attia Source Type: research
Systematic study of a method to determine the sequence of crossing lines on stamping before writing
This study determines the line-crossing sequence of stamping before writing by observing the influence of seal ink on pen writing. The results of examining four types of pens and six types of seal ink crossings reveal that assessing the completeness of writing strokes can determine sequencing. Different ink types interact to produce different phenomena. In addition, time interval and pen structure affected the interaction between two inks in a crossing. A 70% accuracy rate was achieved in a nationwide blind test, which will be discussed in this article.PMID:38379159 | DOI:10.1111/1556-4029.15496 (Source: Journal of Forensic Sciences)
Source: Journal of Forensic Sciences - February 21, 2024 Category: Forensic Medicine Authors: Xiang Wu Source Type: research
Ant bite artifacts in a case of hanging
J Forensic Sci. 2024 Feb 20. doi: 10.1111/1556-4029.15494. Online ahead of print.ABSTRACTArtifacts produced by postmortem animal scavenging are commonly encountered at autopsy. Knowledge of the pattern of artifacts produced by postmortem animal scavenging is essential for the correct interpretation of the autopsy finding. In household deaths, such artifacts are usually caused by domestic animals and by small insects such as flies, ants, beetles, etc. Ants are one of the early scavengers which feed on the dead bodies. The artifacts produced by the postmortem ant activity are usually superficial and non-bleeding type. Rarely...
Source: Journal of Forensic Sciences - February 21, 2024 Category: Forensic Medicine Authors: Siva Sai Kumar Pulagura Devendra Jadav Vikas P Meshram Raghvendra Singh Shekhawat Tanuj Kanchan Source Type: research
Cell counting to monitor swab efficiency
This study reports on the best combination of swabs and moistening solution for the greatest recovery of cellular material from ziplock bags. Five swabs, two different variations of Copan Diagnostics nylon 4N6FLOQSwabs, one Medical Wire rayon DRYSWAB, one IsoHelix rayon swab, and one Livingstone cotton swab, were evaluated with two moistening solutions, Triton X-100 in either distilled water or isopropanol. Fingermarks were deposited on ziplock bags and stained with Diamond™ Nucleic Acid Dye to allow visualization of the cells pre- and post-swabbing to determine the number of cells recovered. Based on cell counting data,...
Source: Journal of Forensic Sciences - February 21, 2024 Category: Forensic Medicine Authors: Madison Nolan Adrian Linacre Source Type: research
Systematic study of a method to determine the sequence of crossing lines on stamping before writing
This study determines the line-crossing sequence of stamping before writing by observing the influence of seal ink on pen writing. The results of examining four types of pens and six types of seal ink crossings reveal that assessing the completeness of writing strokes can determine sequencing. Different ink types interact to produce different phenomena. In addition, time interval and pen structure affected the interaction between two inks in a crossing. A 70% accuracy rate was achieved in a nationwide blind test, which will be discussed in this article.PMID:38379159 | DOI:10.1111/1556-4029.15496 (Source: Journal of Forensic Sciences)
Source: Journal of Forensic Sciences - February 21, 2024 Category: Forensic Medicine Authors: Xiang Wu Source Type: research
Ant bite artifacts in a case of hanging
J Forensic Sci. 2024 Feb 20. doi: 10.1111/1556-4029.15494. Online ahead of print.ABSTRACTArtifacts produced by postmortem animal scavenging are commonly encountered at autopsy. Knowledge of the pattern of artifacts produced by postmortem animal scavenging is essential for the correct interpretation of the autopsy finding. In household deaths, such artifacts are usually caused by domestic animals and by small insects such as flies, ants, beetles, etc. Ants are one of the early scavengers which feed on the dead bodies. The artifacts produced by the postmortem ant activity are usually superficial and non-bleeding type. Rarely...
Source: Journal of Forensic Sciences - February 21, 2024 Category: Forensic Medicine Authors: Siva Sai Kumar Pulagura Devendra Jadav Vikas P Meshram Raghvendra Singh Shekhawat Tanuj Kanchan Source Type: research
