UPDATE: The State Fire Marshal's office has made a second arrest in the 6-month-old boy's death.

Hannah Barker, 22, was charged with principal to first degree murder, in relation to the homicide of her son, Levi Cole Ellerbe.

Investigators say Barker and the first suspect, Felicia Marine-Nicole Smith, were known to each other prior to the homicide. An additional charge is expected to be brought against Smith.

"I want to highlight the determination and dedication of the team of investigators from both agencies who have doggedly worked this case from the start,' State Fire Marshal Chief H. "Butch" Browning said. "Rest assured, that diligent work is not over yet."

NATCHITOCHES PARISH - A woman has been arrested for her role in the death of a 6-month-old boy.

Felicia Marine-Nicole Smith was arrested Saturday on one count of first-degree murder for the death of Levi Cole Ellerbe.

On July 17, At approximately 9:10 p.m. officers with the Natchitoches Police Department received a 9-1-1 call in reference to a 6-month-old baby that was kidnapped from a home at the Mayberry Trailer Park. At the scene, officers spoke with the mother who said two unknown people came to her trailer and beat on the door.

The mother stated when she opened the door, she was sprayed in the face with something she believes was mace. At that point, she fled the home but returned and found her baby gone.

Multiple law enforcement agencies were called in an attempt to locate the child. At approximately 10:20 p.m., NPD received a report of a fire near Breda Ave. At the scene, authorities found a baby with obvious burns on his body.

The boy was transported to an area hospital but died from his injuries.