Yes, limit access to police agencies, courts, defense attorneys and proscutors
No, we have a right to know about a person's criminal record.
Geez I didn't know you were the second coming of Christ! All hail the perfect human, who has NEVER made a poor decision in HIS life. You are so wound up about passing judgement on others that I am willing to bet you've done something very very naughty in your life and just haven't been caught yet. Only time will tell.