Mark MacLachlan, 47, left Russell’s employment after his internet activities became apparent.
It is understood that officers from the Lothian and Borders force took the action in response to e-mails from the blogger to the Cabinet Minister.
A former aide to Education Secretary Michael Russell who was behind a notorious political blog has been arrested and charged in connection with an alleged breach of the peace.
Mark MacLachlan, 47, left Russell’s employment after his internet activities became apparent.
It is understood that officers from the Lothian and Borders force took the action in response to e-mails from the blogger to the Cabinet Minister.