Documents evidencing Kamala Harris ineligibility for VP (and the Presidency) under terms of the Constitution (Natural Born Citizen clause plus the 12th Amendment) available via these links:
Kamala Harris Ineligible Website (downloadable PDF available via link)
Twitter Site (twitter login required to view)
Irrelevant. Unless you take it to the Supreme Court.
As of this moment, Kamala Harris is a natural born citizen.