Bull mounts the defense of an idealistic state judge, Judge Duggan (Kelcy Griffin), who’s on trial for obstruction of justice after she helped a trial witness evade federal arrest in…

A teenager disappears after schoolmates make her the subject of a vicious cyberbullying attack.

Casey steps up to help a teenager being bullied by a gang; Severide bonds with a detective’s son after her life is threatened; and Kidd and Herrmann go head-to-head in…