good evening. i m bill weir. she s an oscar winner, grammy winner, american idol finalist and multimillionaire spokeswoman. today she was introduced simply as witness for the prosecution. she took the stand in a chicago courtroom, three and a half years after her mother, sister, and young fef new were all gunned down in what prosecutors describe as a jealous rampage by her former brother-in-law. for the latest inside the courtroom, here s alex perez. reporter: jennifer hudson, her cinderella story, taking her down the red carpet and into the brightest spotlight. reporter: but today she was here, testifying as the first witness for the progds in the trial of william yam bal for, her former brother-in-law accused of murdering her mother, brother, and nephew. cameras are not allowed in the courtroom. on the stand, hudson s voice cracked as she teared up during her almost 50 minutes of testimony. i slept with my mom until i was 16 years old, she told prosecutors. on the t