You need to actively defend your entire communities. What good is protecting your house if your entire neighborhood of scaredy cat cuckasians too afraid to use their weapons has been taken over by hominids?
Need an active spoofing campaign delivering misinformation, with the objective of preoccupying any urban refugee three days. Leads pointing to federal assistance goodies away from your location might suffice—a federal assistance rope-a-dope? Sufficient water and food deprivation should effectively check any mob’s capability to ransack the countryside.