In reply to the last three replies... in reverse order!
3. As a concerned leader in this Scout's home troop, let me mention, the committee has no say in this matter, it's strictly an SM decision by National guidelines. The committee can however remove a Scoutmaster who is negligent or not performing to their expectations. That is their recourse.
2. The Scout has a record of creating problems. The Scout however shows leadership abilities but slips up on leadership qualities. He has shown that he can be an excellent Scout for a period of time and then make an exceptionally bad choice.