Mealey's (July 10, 2018, 7:10 AM EDT) -- PITTSBURGH — Health care facilities and a psychiatrist that treated a man who repeatedly talked about killing an unidentified neighbor with scissors had a duty to warn his neighbors of the threat, a Pennsylvania Superior Court affirmed June 29 in a suit filed by the mother of the neighbor the man stabbed to death (Laura L. Maas v. UPMC Presbyterian Shadyside, et al., No. 185 WDA 2017, Pa. Super., 2018 Pa. Super. LEXIS 752)....