Harry hated situations like this. Talking in front of people, playing the political game. It was one of the reasons he'd hesitated before taking the job.
"We have only the description of one of the prefects, a fifth year. It's very vague - tall, dangerous looking, dark haired - she focused much more on what he did than how she looked. We have quite a good description of his movements."
He looked around at the group. "We do have a rough sketch that she completed today with one of our experts, but she only saw parts of his face as he was carrying the boy as a shield." He handed over the sketch, together with the written report he'd put together the moment he'd received her summons. It wasn't much, and didn't show more than the forehead and part of the hair, an eye and half the nose. "We have not identified him yet, but this should help. We're comparing what we have to pictures of dead murderers primarily. It's the only way to explain how he got into the school without being seen or heard."
"We have not completely ruled out the option of him being the one to trigger whatever it is that is happening yet, but the more likely option is that he is another returnee."