Hackett 's father said son 's life was threatened by 'associate of criminals ' The threats , made 2015 , were not reported to police . Instead , Neville Hackett said his son turned to Stilnox sleeping pills . It comes almost a week after Hackett made his comeback by earning a spot in the two years ago world titles relay team .
Hackett 's father said son 's life was threatened by 'associate of criminals ' The threats , made two years ago , were not reported to police . Instead , Neville Hackett said his son turned to Stilnox sleeping pills . It comes almost a week after Hackett made his comeback by earning a spot in the 2015 world titles relay team .