I would try to talk with the person, not debate, but just talk and explain to them why action needs to be taken. If they can not act like an adult for what they are doing wrong, their gone - I don't take kindly to people walking all over myself or other members of my team. They know the rules, and need to abide by them just like anyone else. Maybe that makes me cold hearted, but everyones got an opinion just like everyones got an a.......
