this week, we are going in-depth on medication nation. americans have been led to believe by doctors and advertisers in the pharmaceutical industry that there is a pill to cure just about everything. cnn network looked into the politics and the pills. today, john zarrella reports on florida s pill mill problem. reporter: on the side of a billy hollywood, florida, road, a memorial, renee doyle comes here once a week. he was laying on the road covered. i didn t know it was him. reporter: a couple of years ago, on a december evening, renee s son, blaine, out of his mind with pain pills, she says, walked into traffic, was hit and killed. renee is a nurse. she is not sure when her son s addiction began. ultimately, he was hooked on a prescription drug cocktail. the combination of oxycodone with methadone and xanax.