The Mafia is patient when it comes to that stuff. Better to get money rather than a body. He probably owed some money. When he couldn't produce it within a proper timeframe, they took him for a scape round the Dinsdale's place.
"The Mafia is patient when it comes to that stuff. Better to get money rather than a body. "Not necessarily. Its very effective in letting your victims know that you are serious if you can say "Remember so and so? He went to the police, or, he didn't pay." If the victims know each other it becomes even more effective.
His panic in trying to get his money out of the bank might show how serious he took them.