"Brian Andrew Lang" FRSE is a Scottish social anthropologist who served as deputy chairman of the British Library and University Principal/Principal of the University of St Andrews.

Lang was born on 2 December 1945 in Edinburgh and educated at the Royal High School of Edinburgh and the University of Edinburgh where he studied Social Anthropology/social anthropology, graduating Master of Arts (Scotland)/MA in 1968, and PhD in 1974. He lectured in social anthropology for some years at Aarhus University, Denmark. Returning to the United Kingdom, he joined the scientific staff of the Social Science Research Council, where he was latterly Principal Scientific Officer.

In 1979 and 1980 he was head of the Historic Buildings Branch of the Scottish Development Department, and from 1980 to 1987, was Director of the National Heritage Memorial Fund, based in London.

After this, he spent four years as Director of Public Affairs for the National Trust for Places of Historic Interest or Natural Beauty/National Trust, before his appointment as Chief Executive and Deputy Chairman of the British Library from 1991 until 2000. During this period, the British Library made the delayed and over-budget move into its new building at St Pancras.

More Brian Lang on Wikipedia.

It's hard to explain a case when there's no memory of a case. Scott truly did not remember what happened that night. But if the state comes in and says, 'You did it, you did it, you did it,' eventually you start to believe it. ... That's exactly what we have here.

Law enforcement had made up their mind. They had Scott Bishop, and they quit.