In this scene of the story the policeman is releasing Jimmy Valentine
This is the new safe of the bank
Jimmy Valentine went to his house to find his tools to continue opening bank safes
I can fix it
Jimmy Valentine was walking down the street and saw a beautiful woman, fell in love at first sight. Then he asked one of the children who was on the street, the boy told him that that was Anabelle Adams. The daughter of the bank owner
I'll let you go, you're a good man
JImmy formalizes a relationship with her after about a year. Mr. Adams was going to show Jimmy, Anabelle and his eldest daughter and granddaughters the new bank safe.
The girls started playing there and the older sister locked her younger sister in the bank safe. No one in the city could open it, just a person. That person was Jimmy. He took out his tools and opened the safe. The girl managed to leave thanks to Jimmy.
Jimmy had been watched by the detective at all times. When Jimmy left the bank the detective was waiting outside. But he left him free because he realized that Jimy had changed.