India, Feb. 10 -- The search for 84-year-old Nancy Guthrie, mother of 'Today' show host Savannah Guthrie, has entered its ninth day. With this, the final deadline to pay the ransom money, set for 5 pm (local time) on Monday, has also passed.

Investigators said that the probe is underway as authorities follow up on several details in the case. However, they have not yet named any suspect in connection with the alleged kidnapping of Nancy Guthrie.

Guthrie disappeared from her home in Tucson, Arizona, on February 1. Nancy's family -- daughters Savannah Guthrie, Annie Guthrie and her husband, Tommaso Cioni and her son, Cameron Guthrie -- were alerted about her by a congregant, who informed that their mother had missed church that day.

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