Most people never expect their own home to hide a problem they cannot easily see. Yet for one homeowner, an unusual smell turned an ordinary evening into a mystery that continued for weeks.
At first, the odor seemed like something that should have been easy to identify. He checked the kitchen, looked around the house, and considered several everyday possibilities. Maybe something had been left too long, a vent needed cleaning, or there was a forgotten source somewhere nearby.
But the smell refused to disappear.
