Armstrong 's treatment of the French rider Christophe Bassons , who was renowned for his anti-doping stance , only served to further raise Walsh 's suspicions . Irish journalist David Walsh spent over a decade pursuing Lance Armstrong . The Times writer was convinced from 1999 onwards he was doping . His co - authored 2004 book Cycling Confidential enraged the American cyclist . Armstrong apologized to Walsh during his 2012 televised interview .
Irish journalist David Walsh spent over a decade pursuing Lance Armstrong . The Times writer was convinced from 1999 onwards he was doping . His co - authored 2004 book Cycling Confidential enraged the American cyclist . Armstrong apologized to Walsh during his 2012 televised interview .