national drug control policy gave a press conference from dallas isd headquarters in august praising the district's efforts, and local stores pulled tylenol pm and similar drugs from the shelves to make them less accessible. july also saw the addition of two more names to the list of deaths, as paulson's death became the 22nd linked to the drug, and a 17-year-old member of a high school drill team died at parkland memorial hospital eleven days after being found unconscious on the morning her group was to take its yearbook photo. autumn 2007: deaths across north texas the spread of the drug to the outlying suburbs of dallas was confirmed in september by the return of toxicology reports from the july 13 death of an 18-year-old student from mckinney, located northeast of dallas in collin county, and from two july deaths in nearby tarrant county, one involving a 17-year-old male and the other, a 26-year-old male. additional suburban deaths in september — in irving to the west and rockwall to the east — were believed to be linked to cheese heroin, though police cautioned toxicology reports would not likely be complete until november. the tarrant county medical examiner's office announced on september 24 that a review of deaths in tarrant county (west) and denton county (north) showed an additional 15 deaths between 2004 and 2007 that appeared to be linked to "cheese," and collin and rockwall counties had reported one death each. these new figures brought the total number of deaths associated with cheese heroin in northern texas to 40, a figure that included many older adults along with those age 18 and under.