GTA SA - How to take over Varrios Los Aztecas turf

Have you always despised having to share Los Santos between Sweet's gang and Cesar's gang? I sure have, so here's a tutorial on how to wipe them out from your save file and have Los Santos 100% under GSF's influence. Unfortunately, this tutorial can only work if you've picked up Catalina's phone call after Gone Courting and if you haven't finished the mission Riot yet.