'I Am a Girl Now,' Sage Smith Wrote. Then She Went Missing.

"On the late afternoon of November 20, 2012, just a few weeks shy of her 20th birthday, Sage Smith stepped out of the neon pink-walled apartment in Charlottesville, Virginia, she shared with two friends. After a tough and tumbling childhood, things finally seemed to be falling into place: She had moved out of her…"