Former Olympian Conrad Mainwaring charged with assaulting youth campers in 1970s Former Olympian Conrad Avondale Mainwaring, the subject of a nearly three-year ESPN investigation, is arrested outside a Los Angeles courthouse Wednesday on felony charges stemming from his time as a camp counselor in the 1970s. Mike Kessler for ESPN Investigative reporter for ESPN's Enterprise and Investigative Unit since 2007 Co-author of New York Times best-selling books "League of Denial" and "Game of Shadows" Co-winner, 2004 George Polk Award Mike Kessler A track coach unmasked by ESPN as an alleged serial sexual abuser of boys and young men was arrested Wednesday on felony indecent assault and battery charges stemming from his time as a camp counselor in Massachusetts more than 40 years ago.