Lamine Diack, the former head of International Association of Athletics Federations (IAAF) died at home in Senegal on Friday at the age of 88, his son said. Diack led the IAAF from 1999 to 2015, making him one of the most powerful people in athletics. But he was later found guilty of running a clique that covered up Russian doping in return for millions of dollars in bribes. A French court sentenced him to four years in prison in 2020, but he was never jailed. He remained under house arrest in France and was later released on bail, allowing him to return to Senegal. “He died at home around 2 a…