Ethics is something people learn every time and it differs differently on each person based on how they where raised. The focus on "administering justice" has a guide on how to properly do so. Officers and other judicial officials do not go into the job doing what they think is correct, they do what the books, laws, and policies say.
Being a parent is the most wonderful—and hardest—job in the world. If you have a child with special needs, your job is no less wonderful, but it can be more complicated.