Edwards, Shelton pleads guilty to murder of Cocke Co. family

NEWPORT, Tenn. (WVLT) -- The two people accused of killing three people and setting fire to a home in Cocke Co. each pleaded guilty to three counts of felony murder on Monday.

Adam Edwards was sentenced to three life sentences without parole, while Marsha Shelton will serve her 3 life sentences concurrently and will be eligible for parole after 51 years.

Edwards and Shelton were accused of killing Teri Henderson, Sherman Ellison, and their two-year-old son.

The fire burned their home in May, the family's car also was missing leading authorities to believe the family was not home at the time of the fire. However, investigators found their bodies in the burned home the next day.

Edwards and Shelton were arrested a few days later in North Carolina, investigators say the couple was in the missing car. Authorities say Edwards and Shelton set fire to the home in an effort to cover up a robbery.