Provide a detailed description of the situations that oscar pistorius. caster semenya and itumeleng khune they faced that were negatively exploited by the media

These three personalities were negatively abused/exploited in social media. Oscar Pistorius was accused in social media that He killed His wife. His reputation was destroyed by the netizens giving false accusations towards Him.  For Caster Semanya’s case, her gender was questioned by foreign media and has a great effect on the athlete’s record. While the fans of Itumeleng Khune bashed the athlete through social media by failing to stop penalties in the Nedbank Cup. This situation lead to negative comments and anger from people arise.