Late Mango founder Isak Andic’s SON under investigation over fashion billionaire’s mysterious 320ft hiking plunge death

A PROBE into a billionaire’s death has taken a shock twist as the fashion mogul’s son and sole witness to his death has been revealed as a suspect. Isak Andic – the late founder of Mango – was with his son Jonathan when he died on a hike last December, falling nearly 500ft from a…