One of the world's best known athletics coaches is at the centre of doping allegations, according to a BBC investigation.
Alberto Salazar has been accused of violating anti-doping rules, including claims he was involved in doping US record holder Galen Rupp, in 2002.
http://www.bbc.com/news/uk-scotland-32877702
Keith Conning: Galen Rupp was in high school in 2002.