Problem
Inform your client that you have received a set of Interrogatories from the opposing counsel (Ms. Callaghan). Indicate to your client you have enclosed a copy of the interrogatories (you don't need to attach anything.) In your letter, describe to your client, generally:
a) What interrogatories are?
b) What to do with the copy you have enclosed?
c) When to return her copy?
d) What to do with her answers?