Hair found in Nancy Guthrie’s home in Arizona is not linked to any potential suspects in her disappearance, federal law enforcement officials said Thursday. In a brief statement, the FBI’s Phoenix office said that “all hair had been resolved and it does not point to a suspect” in the investigation. Watch NBC6 free wherever you are WATCH HERE WATCH HEREThe FBI declined to comment further. The announcement came six months after Guthrie, 84, the mother of “TODAY” co-host Savannah Guthrie, disappeared in what federal authorities have described as a kidnapping-for-ransom case. TODAY co-host Savannah Guthrie posted a video Monday, pleading for answers over the whereabouts of her 84-year-old mother, Nancy, nearly six months after she was kidnapped from her home in Tucson, Arizona.