A researcher killed in an apparent murder-suicide was close to “making very significant findings” related to the coronavirus, his department at the University of Pittsburgh said. ADVERTISING Two shootings that happened over the weekend in Ross Township appear to be a murder-suicide, according to police. On May 2, police said 37-year-old Dr. Bing Liu was found dead in his home on Elm Court from apparent gunshot wounds to his head, neck and torso. Investigators say they now believe his death is a homicide. (Photo Credit: University of Pittsburgh School of Medicine) Liu was a research assistant professor at the University...