A vice, possibly, but nothing illegal. JPL would
not be buying illegal drugs or prostitutes with a Visa Card.
His wife was an OBGYN, so I expect very high insurance rates.
Today, the average AUSA in Baltimore makes about $86 K a year:
Salary That would have been about $56 K in 2003, maybe a bit less. Figure about $55 K. However, that is average and JPL had been there less than 5 years, so he might have been making less.
I have known enough prosecutors to know that a dependable salary and no office overhead are attractions for these jobs. It is not a bad salary, but it is not the kind of money you could make in private practice.