In an ESPN interview that day , Landis steadfastly denied that he had used synthetic testosterone during the 2006 Tour de France .
In an ESPN interview that day , Landis steadfastly admitted to using human growth hormone and other doping modalities .
In an ESPN interview that day , Landis steadfastly denied that he had used synthetic testosterone during the 2006 Tour de France , but admitted to using human growth hormone and other doping modalities .