An abnormally high number of children in Sierra Vista, Ariz., were getting leukemia, but government agencies had repeatedly declined to investigate the cause of the cancer cluster. Freelance writer Renee Downing stepped into the breach. In her article for Tucson Weekly, "Cancer Wars," she discusses two scientists' research exploring a possible environmental link as well as the politics surrounding the identification of a cancer cluster. This is the sixth in a "How I Got That Story" series highlighting the AltWeekly Awards' first-place winners.
