Now don't go breaking safes, I'm letting you out because I know you have a good heart
This is the scene where Jimmy unlocks the safe. This shows people change because although Jimmy did go back to his old ways, it was only to save the little girl. His soon to be wife is shocked and asking how he opened the safe. He is throwing away his marriage because he had to save the girl.
Character traits of Jimmy/ Ralph
Come on Ralph we still have more planning
This is the scene after Jimmy unlocks the safe and he walks outside. This is very sad because he is telling Detective Ben to take him away. He is saying this not only because he was caught, but because he is not going to marry Annabel.
In this scene the judge is confronting Jimmy about his crime. Jimmy declines any of that. This shows that Jimmy is dishonest and untrustworthy. It is foreshadowing that he will probably break more safes.
When Jimmy was giving his kit to someone else but also preparing for his wedding he was being two faced. He showed both signs of Jimmy/ Ralph