The Tories have made much of the so called political interference in police matters in the wake of the arrest of Damian Green. However, we have to remind ourselves that the Tories hardly set an example when they were in power.
Many people who "leaked" under the Tories were pursued and punished whilst other matters much more recently involving dawn raids on Labour officials were met with quiet jubilation from the Tories.
For more information, read Paul Walter's Liberal Burblings Blog.