He made the mistake of hosting copyright-infringing files on US-based servers. http://www.theregister.co.uk/2013/12/23/us_department_of_jus...
> Files that demanded higher throughput, which meant that more users were accessing those files simultaneously, were stored on faster servers located in Washington, D.C. The preliminary analysis of the databases shows that the vast majority of files on these computers are infringing copies of copyrighted works.