Pediatric critical care doctor stabbed to death while sleeping, wife in critical condition: Police

• The couple's two children were home and escaped unharmed, police said.
• A pediatric critical care doctor was stabbed to death and his wife was stabbed and critically injured by a suspect who allegedly attacked them while they were asleep, authorities in Pennsylvania said.
• Thursday to a home in Edgewood, just outside of Pittsburgh, where they found Dr.