Kristin Margrethe Rossum, is currently serving a life sentence in California for poisoning her husband Greg deVillers with fentanyl she stole from her job and attempting to pass off his death as a suicide.
Kristin Margrethe Rossum, is currently serving a life sentence in California for poisoning her husband Greg deVillers with fentanyl she stole from her job and attempting to pass off his death as a suicide.