Chief Parks offers apology to city.
Experts say probe has gained new steam.
Members of the ethnically diverse, middle-class panel of seven women and five men wore grim expressions as they returned their verdicts in the packed courtroom. A few sharp gasps erupted as the court clerk recited the first guilty verdict. Jurors deliberated for about 18 hours over five days before finding Sgts. They just didn't happen to cover themselves enough. As the verdicts were announced, Ortiz stared straight ahead, clenching his jaw, but the other defendants appeared stunned.