In which episode did Joyce Davenport witness a murder?
Joyce Davenport's client is a deadly hoodlum who has been terrorizing his neighborhood and who's been arrested for killing a man. Joyce tries to find a way to discredit the one witness who was brave enough to come forward, but the witness is murdered by the defendant's brother. She witnesses the murder.
Fearing the hoodlum, Joyce refuses to come forward. The investigation into the witness's murder has no traction, and the brother might go free.
What was this episode called, and which season?