Polonius : Reynaldo, give him this money and these notes
And ask through the grape vine of his behavior
Reynaldo : Of course, Sir
P: But do not be so obvious. First ask what Danskers are in Paris - make conversation. Ask who they are, how much money they have, who their friends are.
Through these questions you can collect more information and see if they know my son. Tell them that you vaguely know of Laertes.
Say something like "I know his father and his friends, and in part him". You know what I am saying ?
R: Of course my lord, I completely agree.
R; Such as gambling, my lord ?
P: Say that you sort of know him, and ask if he is the same Laertes that is wild and addicted. Do not dishonor him, but paint a picture that he is the average young person who comes into occasional trouble.