Her juvenile record is apparently open and available but it would have been sealed and expunged when she became an adult.
Matlock asks the defendant that since she's a photographer, if she could retouch his photo on his driver's license. He should know that's against the law.
When Matlock was going around showing the blackmailer's pictures he ended up giving them away to the victims. However, they didn't belong to him and he had no legal right to do that. He should have kept them and let the court decide on their disposition.