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Hyperspectral imaging (HSI) collects and processes information from the entire electromagnetic spectrum to obtain the spectrum of each pixel in the image of a scene, with the aim of finding objects and identifying materials. It is a non-contact, non-destructive technology that can be used without modifying or altering the analysed target. Forensic analysis and crime scene investigations are two of the most investigated fields of application, being able to detect and analyse many types of evidence.In this paper we analysed the most commonly reported forensic science applications.The literature indicates that the fields in which HSI appears most promising are the analysis of blood traces, document forgery, gunshot residues and the identification of fingerprints.

As suicide by ligature strangulation is rare, the correct medico-legal diagnosis may be difficult to establish if there is no clear supporting circumstantial evidence. We report an unusual case of suicide by strangulation with a double ligature. Investigation of the scene of death and pathological findings at autopsy are reported and discussed. We emphasise the importance of an external examination and an on-the-spot investigation.