Forensic analysis of the photocopied documents is usually carried out to determine the nature, source and authenticity of the photocopied documents. Examination of photocopied documents considers all possible avenues to determine their nature and source. Physical characteristics include toner type, fusion methods, splattering effect of the toner and trash marks. Both raw and processed toners have also been classified on the basis of their chemical properties with combination of Thin Layer Chromatography, Ultraviolet (UV) Spectroscopy and Fourier Transform Infrared (FTIR) Spectroscopy. Colour...

Handwriting of an individual is the result of his physiological, psychological and environmental life and it is considered to be most complex and probably most revealing feature. Each person has a distinct mental conception of style and manner of writing which produces certain characteristic features that identify and clearly differentiate his writing from all others.Variations in the writings occur due to physical and mental conditions. However, when there is marked decline in the nervo-muscular coordination of an individual due to old age or severe ailments, the affected writings reveal...