By "El Huaso" for Borderland Beat On Monday morning, narco banners signed by the Los Chapitos faction of the Sinaloa Cartel, threatening their rivals, gunmen for Mayito Flaco, appeared across San José del Cabo.    Social media users claimed the banners were located in Guaymitas, San José Viejo, and El Zacatal. The banner stated: THIS IS A MESSAGE FOR EVERYONE WHO THINKS THEY HAVE ALREADY WON THE PLAZA. THIS IS JUST BEGINNING, YOU BUNCH OF MAYITO FLACO ASSES AND 00s WHO CAN ONLY DO IT WITH THE GOVERNMENT ON YOUR SIDE, AND WITH THE HELP OF CHRISTIAN AGUNDEZ.