Amid a recall campaign, Pima County Sheriff Chris Nanos gave an update on where the investigation into Nancy Guthrie's disappearance stands on Day 100.

The 84-year-old was last seen on Jan. 31 at the Tucson, Arizona, home police believe she was taken from against her will.

Nancy Guthrie case: Pima County Sheriff Chris Nanos states investigators are keeping details about Nancy Guthrie's disappearance secret to protect the case. Khloe Kardashian has…