In Suburban Dallas, Loosening “Cheese” Heroin’s Deadly Grip

“Don’t bother going out tonight,” Kathy O’Keefe had told Brett, her 18-year-old son, the night before their family vacation. It was March of last year. Brett’s older brother, Kyle, was home from college for spring break and his birthday, and the family was planning a quick trip to San Antonio from their home in Flower Mound.