Federal agents hunt for guns one house at a time
Chronicle | Chron.com - Houston Chronicle

In front of a run-down shack in north Houston, federal agents step from a government sedan into 102-degree heat and face a critical question: How can the woman living here buy four high-end handguns in one day?

The house is worth $35,000. A screen dangles by a wall-unit air conditioner. Porch swing slats are smashed, the smattering of grass is flattened by cars and burned yellow by sun