Many of Jan Ullrichs Team-members said, he was taking drugs in the 90. In 2002 he tested positive for amphetamine. He said he took pills in a disco, without knowing that they were an illegal substance. He was suspended for 6 months. In 2006 Ullrich was suspected to be a client of Fuentes. In 2007 a DNA-test gave the evidence that he was one, and that he was planning to use the illegal blood doping. Ullrich denied using drugs for a long time. In 2013, Ullrich decided to tell the truth. He admitted he used illegal substances during his career.