CHE 113 Lecture Notes - Lecture 16: Murder Of Leanne Tiernan, Forensic Entomology, Calliphoridae
25 Mar 2015
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Examination of the nasal cavity and hair found pollen. Explain causes of death through poisonous substances. Certain fungi grow in disturbed soil and indicate that someone/something has been there. Urban- landlord must get rid of roaches. Stored-product- bugs found in already packaged food. Medico-legal- intersection of medicine and the law. Association of suspects with the death scene. Detection of toxins or drugs (insect larvae) Insects eat from bodies and they can ingest whatever drug may be inside the person. Cadaver is a very rich but ephemeral resource. There is tremendous competition among organisms, especially in the early stages of decomposition. Insect colonization of a corpse occurs in a series of stages. Different groups are adapted to different decompositional stages of a corpse. Major groups of insects associated with cadavers. When a body is exposed to insects, decomposition is rapid. Same is true when bodies remain on the surface, rather than buried. Breakdown of protein and carbohydrates into simpler compounds.
