David Howman, head of the Athletic Integrity Unit sits down with Brendan Telfer on Saturday Sport.
Mr Howman was appointed the leader of the anti-doping agency to battle drug use and corruption in sport.
Telfer sits down and discusses the reinstatement of Russian sports players, after they were proven to have cheated with the use of illegal substances.
Listen to the interview with David Howman above.
Saturday Sport with Brendan Telfer, Saturdays from 2pm - 6pm on RadioLIVE and streaming live to the rova app on Android and iPhone.