I may be wrong, but I don't think King was charged with buggery.

http://www.contactmusic.com/new/xmlfeed.nsf/mndwebpages/king%20refused%20parole

The following from the site linked to above.

Cambridge-educated King was convicted on four counts of indecent assault, buggery and attempted buggery on five youths aged 13-15 between 1983 and 1989.