There could certainly be labs in Mexico, especially since the crackdown in China. Also possible that the fentanyl recently seized was produced in China and has been in transit/storage.
"Senator Kamala Harris (D-Calif.) says the letter detailing a sexual assault allegation by Lt. Gov. Justin Fairfax (D-Va.)’s accuser, Vanessa Tyson, is detailed and suggests credibility to the allegation. Harris also adds that there needs to be an investigation into the matter."
msn.com/en-us/news/good-news/sen-kamala-harris-fairfax-accusers-letter-reads-as-credible/vi-BBTiKG2