Although the world is still trying to trace the origins of the novel coronavirus, Mike McCaul, the ranking Republican member of the United States House of Representatives Foreign Affairs Committee, is convinced he already knows where it came from.

In a report based on open source materials and circumstantial reporting that he released on Monday, McCaul repeats his allegation that the virus leaked from the Wuhan Institute of Virology, and urges the US Congress to pass legislation to sanction related Chinese officials and scientists.