Dr. Patterson spent twohours talking to Moussaoui in his jail cell in 2002, when the court first asked him to assess Moussaoui's mental competence, and another five hours over two days last December.
After work Tharp, 39, returns to his Acton, Mass. home and spends twohours on another job: He is the founder of year-old Otrib.com, a service that helps people plan funerals, send death notices and write tributes to those who have passed away.