The Pima County Sheriff's Department said it has received roughly 18,000 tips since Nancy Guthrie's disappearance with a new influx of calls after the FBI released images of a possible suspect. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. https://abcnews.go.com/ Download the ABC News app for the latest headlines and alerts: https://abcnews.go.com/