Other students have also been interviewed, some making statements that Engleby is homosexual, which doesn't tally up for the investigating officers. His alibi fails to stand up but no concrete evidence against him is found and the investigation is suspended.
Other students have also been interrogated, and some made statements that contradict the notion that Engleby is homosexual, which doesn't fit with the investigation's conclusions. His excuse lacks credibility but no conclusive proof against him was found, leading to the suspension of the investigation.