Walz visited China after the massacre, not before.
I also served in the military and handled guns, but, unlike Walz, I never felt the urge to tell lies about fighting in a war I never fought in.
Habitual lying and deceit makes him a very bad choice for serving in leadership in the US.
Trump had the legal right to take documents he chose to declassify. Biden did not. Trump stored his documents in safe places. Biden strewed his collection of illegal documents around his unsecured garage and in the office he shared with communist Chinese spies.