Even as her office looked into Millennium Labs, she penned letter backing the company’s approach....A 2015 Palm Beach Post investigation found that drug-testing urine has in recent years turned the South Florida addiction treatment industry into a multi-billion-dollar bonanza. Young addicts with months of sobriety behind them and no indication of relapse were being tested daily, sometimes for $1,300 a pop. An FBI-led task force has been investigating for more than a year.