Orrrrrrr… shut off all power, communication, and warning sirens; start the fires, then shut off the water, and have police barricade exits: so you can burn down the buildings on the land you want, and murder all the people with a rightful claim to it. Make sure to divert all food and aid so that the remaining inhabitants all starve to death. Then you can buy it all for .03 on the dollar and build your “15 min city”. What dumb luck.