On September 30, 2006, the US Senate unanimously ratified the US-UK Extradition Treaty. The treaty was negotiated in 2003 and statutorily incorporated into UK law that same year. Opponents in both countries criticized the evidentiary standard required by the treaty for an extradition request to be approved. The treaty requires only a showing of prima facie evidence by the requesting country, a lower evidentiary standard than probable cause. In July 2006, UK lawmakers pushed to alter the treaty to include a presumption that British citizens accused of committing crimes in the UK should be tried there.

Learn more about US-UK Extradition Treaty from Bloomberg.