According to the home office: wake up. 7 US citizens have been extradited to the UK for breaking UK law as of 2011.
https://www.whatdotheyknow.com/request/100739/response/25520...
https://www.whatdotheyknow.com/request/100739/response/25520...
https://fas.org/irp/world/uk/extradite.pdf
The story itself is about a person who committed a crime that is a crime in both locations so...