 this is the actual police force that is  responsible for this part of the country. However in  _"Lewis" (2007)_ (qv), Lewis and Hathaway work for a fictitious  force "Oxfordshire Police" because the producers were not allowed to  use the name, uniforms or emblems of Thames Valley Police and could  not film at St Aldates Police Station. It is thought that this is  due either to Home Office security restrictions in connection with  the Iraq war or else to a lack of cooperation by a newly