Sven was released from prison in August 2020.
In January 2018, Sven was sentenced to five years in prison for “conspiracy to blackmail,” in relation to the campaign to close down the notorious animal testing lab Huntingdon Life Sciences (recently rebranded as Envigo).
freesven.org, www.facebook.com/freesvenandnatasha
https://www.independent.co.uk/news/uk/crime/animal-rights-campaign-aids-contaminated-post-letters-research-testing-shac-winchester-crown-court-a8177936.html
https://www.dailymail.co.uk/news/article-5311649/Animal-rights-activists-jailed-harassment-centre.html