Webaccording to an investigation conducted by the fbi and the chicago police department, the girls’ mother, tracey bradley, left the apartment for work around 6. Webon 6 july, 2001, diamond and her sister tionda left a note for their mother, tracey bradley, saying they were going to a nearby playground. The girls never returned. Webvictoria bradley, the sister whose birthday is the day after the girls disappeared, said she hasn't celebrated in 20 years. Her mother, tracey, suffers from. In an interview with tracey bradley. Weba saturday event honored the bradley sisters, diamond bradley and tionda bradley, who disappeared from a bronzeville, chicago home 23 years ago. Webon july 6, 2001, authorities said diamond bradley, 3, and tionda bradley, 10, disappeared from their chicago, il home. At the time when the sisters went missing, their mother.