RIO GRANDE VALLEY, Texas (ValleyCentral) — A Los Zetas plaza boss and a Cartel del Golfo leader with South Texas ties are among the 37 Mexican cartel members who were transferred to the U.S. on Tuesday. Forty-two-year-old Juan Pedro Saldivar‑Farias, also known as “Z‑27,” and 41-year-old Ri cardo Cortez-Mateos, also known as "Billeton", were transferred to [...] ...read more read less