By Mataeo Smith An investigation into a mysterious illness that’s been affecting US national security officials and their families has been linked to Russia, marking another development in the five-year inquiry. The illness is called “Havana Syndrome” and can cause dizziness, fatigue, memory loss and impaired vision. A joint investigation by The Insider, Der Spiegal and CBS’s 60 Minutes suggested those afflicted with the illness fell victim to Russian sonic weaponry. Those who believe they have experienced the strange illness opened up during the show about their experiences. However, Moscow h…