Alissa Marie Turney has been missing since May 17, 2001 in Phoenix, AZ. She was 17. If you know anything, call Phoenix PD (602) 262-6151 / 262-6147 or anonymous Silent Witness 480-WITNESS. Please share. #MissingPerson #AlissaTurney #PhoenixAZ #ColdCase #TrueCrimeAwareness