michelle knight was an adult when she was taken, but because of that, she didn't get the attention as amanda berry orgy na dejesus. phoenix colton was 22 years old when she vanished. here is her story. >> it was only a week before christmas in 2011 when 23-year-old phoenix colton, got into her black chevy and drove away from her parents' house in missouri. her parents thought she was just going to the store. her parents say she never came back. she's been missing a year and a half. >> she backed out of the driveway, and we never saw her again. >> three hours after phoenix drove off, her black chevy was impounded by police. it was found 25 minutes away from phoenix's house. the car was empty, the motor still running. the driver's side door was open.