This mafia family was in need of a collection officer, after screening
many applicants they hired this one individual who happened to be hearing
impaired. 
He was very good at what he did, within a week he had collected $40,000
from non-payers, however he was greedy and hid the money for himself. 

It didn't take long for the mafia bosses to catch on, so they sent a
couple of thugs and an interpreter to find the collector, they found him,
took him to an abandoned warehouse and the two thugs told the interpreter
to ask the collector, 'where's da money?' 

The interpreter signed to the collector and the collecter signed back, 'I
don't know what you're talking about?' 

The interpreter told the them what he had said and one of the thugs pulls
out a 38 revolver and sticks it in the collector's ear and tells the
interpreter to ask him again, 'where's da money?' the interpreter asked. 

The collector signed back, 'It's in a tree stump in Central Park 50 yards
east of the main fountain!' 

The interpreter tells the thugs, 'He said he still doesn't know what your
talking about and you don't have the guts to pull that trigger!'