Conversation so far:
What does the section have to do with the hiring of sex workers?
In early July 2007, David Vitter's phone number was included in a published list of phone records of Pamela Martin and Associates
Who was Pamela Martin and Associates?
Pamela Martin and Associates was owned and run by Deborah Jeane Palfrey, also known as the D.C. Madam
What did Deborah Jeane Palfrey do?
Deborah Jeane Palfrey, also known as the D.C. Madam was convicted by the U.S. government for running a prostitution service.

Question: Was he prosecuted for being on this list?
Self-contained rewrite: Was David Vitter prosecuted for being on this list of phone numbers related to a prostitution ring?