This isn't a US legal case; it's a scientific inquiry. Either lab leak or zoonosis is plausible, so you can't say one isn't the default until the other is prov

This isn't a US legal case; it's a scientific inquiry. Either lab leak or zoonosis is plausible, so you can't say one isn't the default until the other is proven. You don't flip a coin and say "heads until proven tails".