India, April 6 -- As Savannah Guthrie prepares to step back into NBC's 'Today' show studio on Monday, the spotlight is on her mother, whose disappearance from the quiet foothills outside Tucson has been haunting Americans and the FBI for the past three months.

It's a case that investigators believe is an abduction, yet remains without a suspect, a breakthrough, or even a clear direction.

Savannah Guthrie has spent more than a decade as one of morning television's most recognisable faces, but now she thinks she is no longer the same person. "I can't come back and try to be something that I'm not."

As the Iran war and the Epstein files pushed the 84-year-old's suspected abduction out of the headlines for nearly a month, here's a timeline...