Aunty Donnas Kerr read a statement after the coroner delivered his findings into her son's death. 32-year-old Yorta Yorta and Gunaikurani man Joshua Kerr likely died from cardiac arrhythmia or a seizure after ingesting a significant amount of meth. He was left unconscious in his cell at Port Phillip prison for 16 minutes on August 10, 2022, before he died. Video via AAP.