Starting out her career as a high class prostitute in Hollywood at the age of 17 Joan learned the business from the ground floor up.
That's where the first four hours of screen time seem to be set.
I suspect this defendant came to their attention as the result of a wider investigation into child prostitution, drugs, or whatever.
On his deathbed he made me promise to not get involved with married men.
At the time his work required travel and he confessed to me that he had indulged in prostitutes before leaving Mom for that younger thing.
The set of Basic Instinct was turned into a brothel for a day.