India, May 29 -- More than 100 days have passed since the disappearance of Savannah Guthrie's mother, Nancy Guthrie, and the internet is filled with several theories regarding the case.

The Guthrie family continues to hold onto hope that their matriarch is still alive, while investigations are actively being conducted by both the local Pima County Sheriff's Department and the FBI.

It is crucial to note that all family members, including Nancy's son-in-law, Tommaso Cioni, who was the final person to see her on January 31, have been exonerated.

In the present investigation, there has been an increased focus on forensic testing, particularly DNA analysis. However, the limited information accessible to the public has allowed several sensat...