The check was technically no good , but by the time they cash it , my paycheck will have been deposited and what they do n't know wo n't hurt them . What ? I ' ve been doing this for 20 years , I ' m a professional in my field .

Question: Why would the narrator pass along a bad check ?
Answer: They know they are getting paid shortly .They know they are deceitful .They know they are dishonest .They know they are a thief .