The distribution, presence or absence of body fluids, such as semen and saliva or cells shed from the body can be significant, particularly in sexual assaults. We can assist in the evaluation of disputed accounts of events from the protagonists in cases of alleged rape and sexual offences. Forensic experts can carry out a simple identification of a stain to detailed interpretation of stain distribution, and DNA experts can profile body fluid stains to identify likely contributors where this will assist in evaluating the forensic evidence in a case.