A British man was convicted and sentenced on November 22 for causing deliberate interference to Amateur Radio users and unlawfully using radio equipment without a license.
http://www.rsgb.org/news/newsitem.php?id=1
The British equivalent of the FCC charged that the man kept his radio equipment in his van and would drive all over the region and park outside homes, jamming signals in an effort to interfere with hams who were operating legally.