If these scammers are UK based (Reading / London ?) and you feel that whatever Police Force you reported it too (you state "action Force Police" - who are they ??) has not taken your report seriously then I'd guess your only course of action is to complain about this Police Force to the Independent Police Complaints Commission http://www.ipcc.gov.uk/en/Pages/default.aspx and perhaps try to involve your MP.

Did you report it to the Police face to face and get a crime report number ?