 When learning that Colello was going to be discharged from the hospital the next day, Goldstein urged the hospital psychiatrist to reconsider that decision.The hospital discharged Colello and, one day later, he murdered Ewing and then committed suicide.Ewing's parents brought suit against Goldstein (as well as Collello's parents and the hospital psychiatrist) alleging professional negligence for failing to warn either Ewing or law-enforcement agencies about the "risk of harm his patient posed to their son's safety".