Alleged trafficker Zhi Dong Zhang escaped via a tunnel in Mexico before flying to Cuba and reportedly Russia but now finds himself on trial in a Brooklyn courtroom The China-Mexico fentanyl pipeline: increasingly sophisticated and deadly Alleged trafficker Zhi Dong Zhang escaped via a tunnel in Mexico before flying to Cuba and reportedly Russia but now finds himself on trial in a Brooklyn courtroom The China-Mexico fentanyl pipeline: increasingly sophisticated and deadly Like so many great