The deceased were identified and are the parents, grandmother, and uncle of the abandoned baby, who was left in a random person's yard.

Austin Robert Drummond, 28, faces four counts of first-degree murder, one count of aggravated kidnapping and firearms charges.

Tennessee investigators are searching for a man suspected of killing the four family members of a baby that was found abandoned earlier this week. CBS News correspondent Nicole Valdes has more.

A manhunt is underway in Tennessee for Austin Robert Drummond, 29, who is suspected of killing four people in Tiptonville in a case linked to the discovery of an abandoned baby.

Authorities are searching for the man wanted for the murder of four family members in Tennessee. They found a car they believe Austin Robert Drummond was living in and offered

A warrant has been issued for the arrest of Austin Robert Drummond, who's "considered armed and dangerous," after four people were found dead in Tiptonville, Tennessee.