The man accused of stabbing a woman to death at the Winchester Public Library faces arraignment today. Jeffrey Yao is accused of stabbing 22-year-old Deane Stryker and an elderly man in the Library's reading room on Saturday. Stryker was conscious as she was taken from the Library on a stretcher, but she was later pronounced dead. Yao is charged with murder and assault with intent to murder, and is being held without bail.