It's immoral to steal money from another person.
Will, who is very dexterous, is out of a job and needs to pay bills and loan payments soon.
Will wants to find another source of income.
Will decides to go into business for himself and becomes a locksmith, using his dexterous hands to open locked doors.
Will joins a gang of pickpockets and works the city streets, taking lots of money from rich people.
The people that Will helps are grateful to get back into their locked cars and houses without having to break in.
The people Will steals from are upset that their money goes missing and go to the police for justice.