Mystery behind death of China's coronavirus researcher

Dr Bing Liu died in a mysterious manner during his research on Coronavirus. As per information he had "very significant findings" related to the deadly COVID-19 disease.

Dr Bing Liu was 37 years old and was a professor at the University of Pittsburgh Medical Centre. He was murdered at his own house when he was alone. A man broke in and opened fire at the researcher. After killing the doctor, the attacker killed himself too