Investigators still have evidence in Nancy Guthrie’s baffling abduction case that they have not revealed to the public, Pima County Sheriff Chris Nanos revealed this week — as her missing persons case passed 100 days. “Yes, absolutely there are. But it’s not done because we got [to] keep it secret,” Nanos told local news outlet KOLD when asked whether his department was withholding evidence. “It’s done because we got to protect our case.” The sheriff – who gave the interview before skipping a Tuesday public meeting over calls for his removal amid allegations he lied about his decades-old disciplinary record – insisted the investigation has not stalled. He asserted — as he has repeatedly since the beginning — that his investigators were closing in. “I believe, at some point in time, we will make an arrest on this case,” embattled Pima County Sheriff Chris Nanos said during an interview Tuesday — as 100 days passed since Nancy Guthrie’s Feb. 1 abduction.…