Article continues below advertisementPima County Sheriff Chris Nanos is standing by his decisions - even as criticism continues to grow.Nearly two months after Nancy Guthrie vanished, the Pima County sheriff is defending how his team has handled the investigation, telling News 4 Tucson that he is unapologetic about the way the case has been managed.Article continues below advertisementSource: NBC NewsChris Nanos said he has 'no regrets' about the case.Tap Here To Add Ok Magazine as A Trusted SourceArticle continues below advertisement"Look, I have no regrets about my team and their efforts.