Tom Petty, the acclaimed American singer-songwriter and frontman of Tom Petty and the Heartbreakers, wowed audiences with his unique voice and rock hits. Despite his success, Petty battled substance abuse and depression. In 2017, he embarked on a final tour to mark the band's 40th anniversary. Sadly, Petty died at 66 from a cardiac arrest at his California home on October 2, 2017. Forensic Pathologist Dr. Michael Hunter is investigating the circumstances of his death, revealing insights into the unexpected loss of the rock legend and its impact on fans and the music industry.