 On 30 January 2011, writing in Newsmill, Helena von Schantz challenged the Liberal party leadership as to why it supported the lengthening of sentences for buying sex.These penalties came into force on 1 July 2011.In 2011, a research paper on the consequences of the Swedish legislation to sex workers concluded that the realisation of the desired outcomes of the legislation is hard to measure, whereas the law has stigmatised the already vulnerable sex workers.