Article continues below advertisementDonald Trump gave some insight into the mysterious vanishing of Savannah Guthrie's mom, Nancy Guthrie. The president, 79, claimed that investigators are very close to ID'ing a suspect in the case while talking with the press aboard Air Force One on February 6.Article continues below advertisementDonald Trump Says a Suspect Could Be Discovered SoonSource: MEGAThe POTUS shared with reporters on Friday that a suspect could be ID'ed soon.When a reporter wondered if a culprit had been found, he said: "Yeah. Could be definitive.