India, Feb. 5 -- Nancy Guthrie was reported missing on Sunday. It has been four days since she was allegedly taken from her home in Arizona, as per authorities. The search remains on, and investigators have stressed that time is of the essence as the 84-year-old would be in poor health without her daily medication.

Guthrie's medication was found at her home when she was reported missing, leading authorities to believe that she hadn't left of her own accord. It was also reported that her pacemaker had stopped with her Apple devices around 2 pm. A law enforcement official had told Fox News that the implanted medical device lost connection with Apple products that belonged to Nancy around that time.

Her phone and Apple Watch were found ins...