[Solved] When biological samples of unknown origin are discovered at a crime scene, investigators should: A)Assume no pathogens are present and treat the samples as such. B)Allow only trained hazardous material teams to handle the evidence. C)Assume pathogens are present and treat the sample as such. D)Package them in plastic bags. Erotic Plasticity: The degree to which an individual's sex drive or sexual orientation can be influenced by cultural, social, and situational factors. Necrophilia: involves a sexual attraction to corpses, considered a paraphilic disorder. Erectile Disorder: A medical condition characterized by the consistent inability to achieve or maintain an erection sufficient for satisfactory sexual performance. Depo-Provera: A birth control method involving an injectable prescription medication that prevents pregnancy.