In February, British animal rights activists Paul Holiday and Paul Leboutillier were sentenced to jail for making thousands of harassing phone calls to a variety of companies and individuals, including to the homes and workplace of Covance and Huntingdon Life Sciences employees.
Holiday was sentenced to 18 months and Leboutillier to 5 years.
Source:
2 activists sent to prison. Earth Liberation Prisoners Support Network, February 26, 2004.