Talk with Trevor- Stalwart Defence
Mae sure that the fences are properly set up. Remember also, that fulfilling the sidequestElectrifyingmakes going through the fences more difficult for zombies. The second thing to do, is to set up mines around allSanta Maria Mission. When you pick up all mines, start setting them up. I recommend to set at least two-three mines at every possible entrance. Try not to place them to close to each other, so they don’t blow up at once....