Samuel Flores Borrego, aka “The M3”, was executed in the city of Reynosa, Tamaulipas. The body of the M3, was found in a Ford Lobo vehicle which was abandoned in Monterrey-Reynosa Highway. Next to him and also killed was one of his close friends, identified as Eloy García Lerma, who is an active officer of the Bureau of the Ministerial Police. Samuel Flores Borrego, better known as El Metro Three and / or M3, was the Gulf Cartel leader in charge of the streets of Nuevo Leon and Tamaulipas .