India, June 16 -- This week, social media users reported seeing lights on at Nancy Guthrie's Tucson home, raising concerns.

The speculation began after a Facebook post by Lauren Serpa claimed that she drove past the 84-year-old's property at around 4 a.m. In the post, Serpa alleged that lights were on in both the main house and a guest house.

Later, social media accounts reporting on the case's developments repeated the assertion. A post from JLR Investigates stated that lights appeared to be on at the Nancy Guthrie home. A video shared by Serpa on Facebook also appeared to show activity at the property.

Nancy, the mother of NBC host Savannah Guthrie, is believed to have been abducted from her Tucson home at the early hours of February...