On July 6, 2001, Tionda, 10, and Diamond Bradley, 3 1/2,  went missing from their Chicago home.  A cryptic note written by Tionda and the revelation of a shocking voicemail has many wondering if the girls were met with something more sinister.   Twenty years later -- and the case is still unsolved.  Tune in as we try to piece together this whodunnit.

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