What happened to John Hetlinger? 'AGT' fans mourn death of 'legendary' heavy metal singer at 89

What happened to John Hetlinger? 'AGT' fans mourn death of 'legendary' heavy metal singer at 89

What happened to John Hetlinger? 'AGT' fans mourn death of 'legendary' heavy metal singer at 89 BROOMFIELD, COLORADO: John Hetlinger, a beloved 'America's Got Talent' participant, died at the age of 89 earlier this year. In 2016, the Colorado native stunned the judges and audiences alike with his singing audition. John was a vocalist on 'AGT' Season 11. In the Judge Cuts, he was eliminated. John's audition consisted of him performing Drowning …