The Telekom Affair – In May 2007, several former riders admitted to using banned substances (including EPO ) while riding for the team in the mid-1990s, including Erik Zabel , Rolf Aldag , Brian Holm ,  Bjarne Riis ,  Bert Dietz , Udo Bölts and Christian Henn including the seasons in which Riis and Jan Ullrich won the Tour de France.  Team doctors Andreas Schmid and Lothar Heinrich also confessed to participating and administering banned substances. The latter was Team Telekom's sporting director until 3 May 2007, when he was suspended following allegations published in former team member Jef d'Hont 's book. 
On 25 May 2007, Riis issued a statement confessing to taking EPO , growth hormone and cortisone for five years, from 1993 to 1998, including during his victory in the 1996 Tour de France . [ 150 ] Earlier in the week, five of Riis' former teammates from Team Telekom confessed to having used banned substances during the 1990s when Riis won the Tour. [ 151 ] [ 152 ] Riis said that he bought and injected the EPO himself, and team coach Walter Godefroot turned a blind eye to the drug use on the team. [ 153 ] Riis removed from the official record books of Tour de France, [ 154 ] but in July 2008 he is written back into the books along with additional notes about his use of doping.