The Mono County Sheriff’s Office says the search for 16-year-old Karlie Lain Guse continues. The FBI has now joined the investigation. She is 5’7”, 110 pounds with dark blond hair and blue eyes. She may be wearing a white t-shirt and gray sweatpants. She was last reported seen the morning of October 13th in Chalfant, California walking toward US 6. If you have any information about her whereabouts, you’re asked to call the Mono County Sheriff’s office.