American Idol Former 'American Idol' finalist Michael Johns' cause of death still formally unknown after autopsy 08/05/2014 Former American Idol finalist Michael Johns' cause of death is reportedly still unknown after an autopsy was conducted. Read More RELATED NEWS David Cook heading to Broadway for 'Kinky Boots'Brooke White, an 'American Idol' alum, welcomes a baby boy with husband Dave RayJoanne Borgella, former 'American Idol' contestant, dead at age 32 from cancer TAGS: American Idol Michael Johns