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. Sheriff Steve Page said in a news release members of Foster’s family alerted him on Nov. 28 about YouTuber Jeremy Beau Sides, who uses sonar technology and scuba dives to try to solve missing persons cases on his channel Exploring With Nug. He went to Sparta, Tennessee, last month to search for the car the teens were last seen in. Page contacted Sides and told him to search around Highway 84 in the Calfkiller River, in the...