In Session The witness denies that part of his opinion in this case is “pure speculation.” “You indicated her necklace was still on the body, and that indicated something . . . again, that’s pure speculation?” “No, I’ve seen jewelry torn and off because of a struggle.” “She had no injuries to her face from a struggle . . . but a struggle could occur when someone approaches from behind as well, and there would be no injuries on the face?” Objection/Overruled. “I can’t answer the question; I wouldn’t know how the injuries would occur . . . I’m not sure how to answer your question.” “The mechanism of death would be the inhalation of water?” “The mechanism of death is drowning.”