JONATHAN ALLEN A forensic pathologist testified on Friday that the sheer volume of videos of George Floyd's arrest helped confirm the finding that oxygen deprivation caused his death, not an opioid overdose, as argued by lawyers for the former Minneapolis officer on trial for his murder. Dr Lindsey Thomas said she agreed with the findings of the Hennepin County medical examiner who ruled Floyd's death was a homicide caused by the way Derek Chauvin and other officers pinned him to the ground on May 25, 2020. "There's never been case I was involved in that had videos over such a…