“The air outside smells better,” Emma murmured.

“Keep breathing it. Don’t pull your head back inside.”

James was driving like a man possessed, his knuckles bone-white on the steering wheel. We were tearing through the empty downtown streets, our lightbar painting the storefronts in frantic flashes of red and blue. We had the sirens off. If the house was saturated with natural gas, a neighbor waking up and flicking on a porch light to see what the noise was could ignite the entire block.