According to multiple news sources on both sides of the Rio Grande River, “El Cuate” (the twin) Carlos Favian Martinez was arrested in Mission last week and is now in federal custody under a sealed indictment.Federal agents tied to the FBI and ICE conducted a series of raids in Hidalgo and Cameron Counties where they arrested a total of 15 people allegedly tied to the Gulf Cartel. (Source: americanpost.news.)What makes Martinez newsworthy is that he is the son-in-law of 55-year-old Gulf Cartel former leader Osiel Cardenas Guillen, a big name in narco circles along the Tamaulipas border, who also founded ...