How to restrict access in a saved search?

Hello, I created two Saved Searches on custom Disciplinary Issue records to notify two different department managers via email of new records and to restrict view to their individual departments' records. I filtered the Criteria by employee job roles and set the Audience to the specific department manager in the Employee box. Both managers and me (as admin) are getting ALL emails, not just their departments. The view is restricted correctly under my Admin role, but both department managers can see all records, not just their departments. Any suggestions?