Efficacy of entomological method in estimation of postmortem interval: A comparative analysis

Kashyap, Vivek; Pillay, VV

doi:10.1016/0379-0738(89)90182-5

Cited by 66 publications

(32 citation statements)

References 5 publications

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“…1 Forensic entomology has therefore become an integral part of a death investigation when estimating the time since death beyond 72 h. It is considered to be the most accurate method for estimating elapsed time since death, particularly when more than 3 days have elapsed. 23 Insects are attracted to corpses within a very short time after death by the odour of gases from the decomposing bodies due to the breakdown of tissues by bacteria. Insects therefore give the most accurate PMI 1,3 due to their predictable developmental rate 4 and their invasion sequence on carrion.…”

Section: Introductionmentioning

confidence: 99%

STR analysis of human DNA from maggots fed on decomposing bodies: Assessment of the time period for successful analysis

Njau

Muge

Kinyanjui

et al. 2016

Egyptian Journal of Forensic Sciences

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Frequently, forensic entomology is applied in the use of insect maggots for the identification of specimens or remains of humans. Maggot crop analysis could be valuable in criminal investigations when maggots are found at a crime scene and a corpse is absent. Human short tandem repeat (STR) has previously been used to support the association of maggots to a specific corpse but not in the period at which the body has been decomposing. The aim of this research was to assess the time period for successful STR analyses of human DNA from third instar maggots (Protophormia terraenovae) obtained from decomposing human corpses as well as to investigate the human DNA turnover and degradation in the maggot crop after they are removed from food and/ or are fed on a beef (a new/different) food source. Results showed that the amount of human DNA recovered from maggots decreased with time in all cases. For maggots fed on beef, the human DNA could only be recovered up to day two and up to day four for the starved maggots. STR analyses of human DNA from maggots' crop content using 16 loci generated profiles that matched those of reference samples although some of the alleles were not amplifiable therefore generating partial profiles for the samples starved for 4 days and those fed on beef. This may be due to nuclease activity present in the gut of larvae that may have caused degradation of DNA and consequently reduction in DNA yield. It was possible to identify the decomposing body using STRs as markers. ª 2015 Hosting by Elsevier B.V. on behalf of The International Association of Law and Forensic Sciences (IALFS).

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Section: Introductionmentioning

confidence: 99%

STR analysis of human DNA from maggots fed on decomposing bodies: Assessment of the time period for successful analysis

Njau

Muge

Kinyanjui

et al. 2016

Egyptian Journal of Forensic Sciences

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“…The use of entomology to estimate postmortem intervals (PMIs) in criminal investigations has been found to be more reliable than autopsy and as reliable as police eyewitness information [2]. An entomologist's estimate of PMI is based on a series of generally valid assumptions, but variation in any of these can skew the accuracy of the estimate [3].…”

Section: Introductionmentioning

confidence: 99%

Effect of preservative solutions on preservation of Calliphora augur and Lucilia cuprina larvae (Diptera: Calliphoridae) with implications for post-mortem interval estimates

Day

Wallman

2008

Forensic Science International

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“…Ainsi, la rigidité cadavérique, la présence de lividité ou la température du corps sont autant de paramètres permettant d'estimer précisément l'heure du décès. Cependant, ces techniques ne sont effi caces que durant une courte période, et passé quelques jours après le décès, l'estimation de l'intervalle post-mortem (IPM) devient délicate et imprécise (Kashyap 1989).…”

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ForenSeek: un programme de simulation du développement des insectes nécrophages dédié à l’entomologie médico-légale

Charabidzé

Morvan

Dupont

et al. 2008

Annales de la Société entomologique de France (N.S.)

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Abstract. Forenseek: a simulation program of carrion-feeding insects development dedicated to forensic entomology. Forensic entomology focuses on the study of necrophagous insects in the fi eld of criminal investigations, particularly to estimate the time of death. This method rests on solid bases and is frequently used in the framework of criminal affairs, in France as abroad. The ForenSeek project is a computer based decision support system (DSS) dedicated to forensic entomology. The core part of the program is a model of behaviour and development of necrophagous diptera larvae based on a multiagent system (MAS). This concept allows to model complex group behaviours from simple individual data, and thus is particularly well adapted to study insect populations. Moreover, the results of this model are intended to be automatically computed to extract relevant information to estimate post-mortem intervals (PMI).Résumé. L'entomologie médico-légale repose sur l'utilisation des insectes nécrophages pour estimer le moment de la mort dans le cadre d'enquêtes judiciaires et permet dans certains cas de préciser les circonstances du décès. Cette technique repose sur des bases scientifi ques solides et est désormais couramment utilisée en France comme à l'étranger dans le cadre d'affaires criminelles. Le projet ForenSeek est un outil informatique d'aide à la décision, dédié à la réalisation de simulations et d'expertises en entomologie médico-légale. Le coeur de ce programme est un modèle de comportement et de développement des larves de diptères nécrophages basé sur un système multi-agents (SMA). Ce procédé permet de modéliser des comportements de groupes complexes à partir de données individuelles simples, et est donc particulièrement bien adapté à l'étude des populations d'insectes. De plus, les résultats de ce modèle sont destinés à être traités automatiquement pour en extraire des informations sur la pertinence de chaque simulation, et ainsi estimer de manière automatisée et avec précision l'intervalle post-mortem (IPM).

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Efficacy of entomological method in estimation of postmortem interval: A comparative analysis

Cited by 66 publications

References 5 publications

STR analysis of human DNA from maggots fed on decomposing bodies: Assessment of the time period for successful analysis

STR analysis of human DNA from maggots fed on decomposing bodies: Assessment of the time period for successful analysis

Effect of preservative solutions on preservation of Calliphora augur and Lucilia cuprina larvae (Diptera: Calliphoridae) with implications for post-mortem interval estimates

ForenSeek: un programme de simulation du développement des insectes nécrophages dédié à l’entomologie médico-légale

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