The death certificate for Ryan Bagwell, a 19-year-old from Mission, Texas, states that he died from a fentanyl overdose.
His mother, Sandra Bagwell, says that is wrong.
On an April night in 2022, he swallowed one pill from a bottle of Percocet, a prescription painkiller that he and a friend bought earlier that day at a Mexican pharmacy just over the border. The next morning, his mother found him dead in his bedroom.
A federal law enforcement lab…