Let's be clear here: this was not a 'customer', this was a drug addict who died due to their drug addiction. If that sentence makes you feel any less sympathy for them or their family, you can go fuck yourself.
I wonder how they "know" she tried to buy "Percocet, a prescription painkiller."
If it's true he laced something with fentanyl and sold it as Percocet, then it's absolutely murder.
fentanyl, a deadly synthetic opioid that can be lethal in a dose as small as 2 milligrams
This is absolutely not safe to handle in an illegal black market, no wonder people die so easily. I knew it was dangerous, but this shit is REALLY playing with fire.