More than 22,000 police officers and civilian staff in Scotland are set to undergo vetting record checks in response to growing concerns about sexual predators within the police force. This initiative follows the conviction of police officer Campbell Petrie, who was found guilty of nine charges including two rapes, despite having been promoted to sergeant in 2022 following an earlier investigation into an alleged 2009 assault. The case has sparked significant criticism of Police Scotland's vetting standards and demonstrates the necessity for stricter oversight to prevent offenders from advancing through the ranks.

The vetting review, covering approximately 16,400 officers and 5,800 civilian staff, could take at least six years to complete without additional funding from the Scottish Government. New regulations implemented in April require every constable to maintain vetting clearance as a condition of employment; officers who lose clearance face dismissal. Petrie's case highlights systemic failures, as he was promoted despite insufficient evidence preventing prosecution in the 2009 incident, raising questions about how predators previously evaded detection under existing systems.