Bob did a shitty job imo. When Sandusky said "i touched their legs in a non sexual manner" wouldn't a nice follow up have been "you touched their legs? why would you touch their legs jerry?" and "why would a 60 year old man be showering with kids jerry?" and "why do you feel bad about what's happened at Penn State if you are completely innocent? shouldn't you be mad?" and after that ridiculous answer to "are you sexually attracted to young boys" Bob should have followed with "why the hesitation Jerry? That seems like a very simple question...most people would immediately respond "NO!"...why the hesitation?"
Bob did a piss poor job with the interview...he could have skewered that prick.