so according to the national fire protection association, sadie's alerts should never have ben u been usedour request for an interview citing a request. we showed up at his house. he didn't have much to say. >> i can't talk about it until they finish the investigation. >> we talked to the investigators. they say it won't be a conflict. sir why is that you think? but andies did tell us something back in 2010. >> we used to think that we had to have concrete evidence. >> reporter: something in hindsight might explain a lot. let's hear that again. >> we used to think that we had to have concrete evidence. and often we do. but now we have gotten smart enough now we can put a case together with circumstantial evidence and make it stick. we have done it time and time again. >> where did andies pick up the attitude? barbara sloan says it all lead back to one man, jack balentine, the maverick cop whose leadership led to the astonishing arrest rate. >> i believe he was pushing for the arson clearance rates to be the best in the nation. >> but it is okay, right, for bosses to be demanding and push t