Bradley sisters still missing after disappearing from their home 15 years ago

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CHICAGO -- It's been 15 years since sisters Diamond and Tionda Bradley vanished from their South Side home.

Tionda was ten years old and Diamond was three when they were last seen. Their mother left for work early that morning. When she returned home, the family's apartment was empty.

Chicago police later searched more than 5,000 abandoned buildings and interviewed more than 1,000 people, but no trace of the girls was ever found. And despite years of forensic lab work, hunting down leads, and a $10,000 reward, the investigation has gone nowhere.

Tonight, family members and community leaders will gather for a vigil to mark the 15 years they've been missing.