at police headquarters in san louise.a college town just off california's central coast. >> it's been my experience that many, many investigators when they go in to do an interview or interrogation, they don't have a plan set up ahead of time. they sit down, they start talking, they wing it. first thing you have to do is develop some type of report or they're not going to talk to you at all. >> hobson for the district attorney's office makes sure krebs' handcuffs immediately come off. >> you sit down to talk with someone about a serious crime, the worst thing you can do is keep reminding him of possible consequences.ç handcuffs are consequences. having a gun exposed where he can see it is a consequence. a badge -- a badge on your belt. they all represent confinement. he's going to go to prison. and you don't want that. >> have you ever met rachel and andrea? >> krebs has been in custody for some 30 days. since police found a bb gun at his job. a violation of his parole. but both krebs and his interrogator know that's not

louise, what happened to san bernardino, california? >> it makes total sense what we are seeing.nately, a lot of this is due to the housing bubble, blowing up. as housing went up in value in all of these years, cities who had the same percentage property tax rate, they are getting higher taxes from their residents, right? because the properties were worth more. now that the properties have gone down, the taxes are plummeting and they are having to make a lot of hard choices, probably what most people are seeing in their own cities are cuts in services, layoffs and other effort bise cities everywhere to try to get their books in order and to try to grapple with the lower income that they get from property taxes. >> greta: take san bernardino, california, does it have a huge manufacturing economy? or what drives -- who is the biggest employer there? >> they are like a pit stop on the way from l.a. and the coast to a lot of the rest of the country because they are right by a lot of major highways and 65 miles east of los angeles. so you have a lot of ware house and distribution cent