Jonathan Finnis, Geraldine Davidson, Karen Alexander, Jennie Lewis, Maggie Boyce, Finlay Kennedy, David Casey, Nicola Clayson, Isla Fraser, Charlotte Murphy, Charlotte Hargreaves, Nighean Stevenson, Sharon Doole, Carol Rogers
There is limited data available on the subject of indirect transfer of non-visible body fluids, particularly semen, and often forensic science practitioner experience alone must be used to guide expectations. It can be difficult to assess the likelihood of proposed transfer scenarios without knowledge of how different variables can affect a transfer. The following work carried out by the Association of Forensic Service Providers UK and Ireland Body Fluid Forum explores how the features of transferred semen change with differences in the primary and secondary surface (porous and non- porous), different contact types (passive, pressure and pressure+) and with wet and dry primary stains...
January 2024: Science & Justice: Journal of the Forensic Science Society