Nation Gabby Petito died by strangulation ‘three to four weeks’ before body was found, Wyoming coroner says October 12, 2021October 12, 2021 John Bacon, USA TODAY Comments Off on Gabby Petito died by strangulation ‘three to four weeks’ before body was found, Wyoming coroner says The Wyoming coroner who performed the autopsy on 22-year-old Gabby Petito held a news conference Tuesday to discuss his findings.