Victims Had 4x Lethal Dose Of Carbon Monoxide - Silverhill Alabama

Victims Had 4x Lethal Dose Of Carbon Monoxide - Silverhill Alabama: "SILVERHILL, Alabama - Preliminary results show a Silverhill mother and her teenage daughter had 4-times the lethal dose of carbon monoxide in their systems.

18-year-old Samantha Combs and Donna Henderson were found dead inside their mobile home March 9."