India, Feb. 9 -- The search for Nancy Guthrie has entered its ninth day, with investigators continuing their relentless efforts to locate her and to identify the person responsible for her disappearance. Authorities suspect that Guthrie, 84, was taken from her residence against her will in the Catalina Foothills, a region situated north of Tucson, Arizona.

In the past week, there have been worries regarding Guthrie's health, as it was reported that she was on significant medications. The Pima County Sheriff's Department has indicated that a serious problem occurred on the evening of February 1, when Guthrie's pacemaker ceased to synchronize with her Apple Watch.

Meanwhile, an ex-FBI official has raised doubts regarding certain aspects o...