I'm a forensic accountant. I go over books for inconsistencies "intentional mistakes" fraud, international laundering and all other fun stuff. Foster was chosen due to travel time. Where I'm from an hour or two hours commute isn't outside normal, relative isolation, lack of extra curricular activities for "concentration and accuracy" oh they have a whole formulae for choosing the ideal spot for me to pour over thousands of pages of inter-dept, international, and interpersonal communications and transactions looking for clever games of "let's hide the weasel.