Feb. 27 (UPI) -- Mexican federal forces arrested Antonio Guadalupe "N," known as "El Lexus," an alleged member of the Gulf Cartel, in Tamaulipas, along the U.S. border, authorities said Thursday. The operation resulted in eight additional arrests. Security Secretary Omar García Harfuch announced the capture on X and said authorities seized .50-caliber Barrett rifles, rocket launchers and grenades, as well as vehicles and tactical equipment. El Ejército Mexicano (Fuerzas Especiales), Guardia