Aser,
The 109 is no stranger in Spain, por ejemplo EMS with Helisureste, but you do raise the question of its suitability(or otherwise) in the police ops role.
I believe that in the UK, the ratio of police 109s to 135s is somewhat uneven. I have been told that the sole British example is down to the ultra-aggressive, bend-over-forward-approach taken by the somewhat desperate UK dealer in order to have a token Police aircraft (with discount) to join their token EMS charity-buster(Mark 2!!)..........
..............I'll get my coat!!