It started with a tip. Eventually, multiple sources said it was an open secret: the founder of New Hampshire's largest addiction treatment network was sexually harassing or assaulting women – allegations he denies.As New Hampshire Public Radio reporter Lauren Chooljian began looking into the allegations, she found a longstanding–and long tolerated–culture of sexual misconduct within the addiction treatment industry. A phenomenon people in the recovery world call "the 13th step."Today on The Sunday Story, we talk to Chooljian about her reporting and bring you the first episode of her new podcast, The 13th Step).Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)