It was a common response. People underestimated themselves. They felt as though they'd not seen much, but really they had absorbed a wealth of potentially helpful information, it was just a matter of getting them to realize it and share. "Let's talk about the suspect first. You say he was running when you arrived. Was he a fast man, athletic? Did he have limp, or was there anything unusual about his gait?" Nox was good at asking the right questions, the sorts that usually sparked a memory that a witness may have dismissed, thinking it wasn't important.
At her crestfallen attitude, he frowned. Physical contact was discouraged, but Nox had disobeyed that rule several times. He placed his hand on her shoulder briefly as a gesture of comfort. "You did what you could, and that's all anyone could ask of you. One of my collegues mentioned you work in the health profession?" he asked, figuring she'd used whatever skills she possessed to try and save the woman. "Sometimes they simply can't be saved. But you can still help her by helping us catch the man who killed her. Tell me everything you saw, even if it doesn't seem important. Some details can seem meaningless at first, only to become a key piece of evidence later." It had happened many times, which was why it was so important to gather everything, file it properly, and review it frequently until you were able to put the pieces together.