Beijing has never fully co-operated with international investigators, impeding the search for a definitive answer. But ...

Five years on from the start of the pandemic, Donald Trump’s new CIA director has weighed into the contentious debate saying a lab leak was “most likely”.

Ratcliffe received a bachelor's degree from the University of Notre Dame in 1987, and a law degree from Southern Methodist University in 1989. Before being elected to Congress, Ratcliffe served as the ...