Operacion Puerto doping case

Operación Puerto (Operation Mountain Pass) is the code name of a Spanish Police operation against the doping network of Doctor Eufemiano Fuentes, started in May 2006, which resulted in a scandal that involved several of the world's most famous cyclists at the time.

Media attention has focused on the small number of professional road cyclists named; however, sportspeople from other disciplines including football and tennis have also been connected with the scandal. Fifteen had been acquitted by May 2007, while three had admitted doping or evidence of blood doping was found.

In March 2004 in an interview with the Spanish newspaper Diario AS, Jesús Manzano exposed systematic doping in his former cycling team, Kelme. He detailed blood doping as well as the performance-enhancing drugs he used while on the team. The investigation and the allegations he made led to questioning of several members of the team in April 2004. These included Eufemiano Fuentes who was the Kelme team doctor, Walter Virú the doctor before Fuentes, and Alfredo Córdova who was working for Liberty Seguros–Würth but involved with Kelme in 2003. An investigation began into the practices of Fuentes in early 2006 by the anti-drug trafficking arm of the Spanish Guardia Civil.

On 23 May 2006, Spanish Guardia Civil arrested the directeur sportif of the Liberty Seguros–Würth team, Manolo Saiz, and four others including Fuentes, accused of doping practices with riders. Spanish police raided residences. In one, belonging to Fuentes, they found a thousand doses of anabolic steroids, 100 packets of blood products, and machines to manipulate and transfuse them. The Guardia Civil found a list naming other cyclists involved. Liberty Seguros withdrew their sponsorship, which left Würth as sole sponsor.

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