SOLVED 21 Year Old Missing Persons Case (Erin Foster & Jeremy Bechtel). Erin Foster, 18, and Jeremy Bechtel, 17, vanished on April 3, 2000, after leaving Foster’s home, according to the White County Sheriff’s Office. Exploring with Nug found two missing teenagers in their car underwater. They have been missing for over 20 years in Sparta, Tennessee. xploring with Nug