Thirty-year-old Brent Allen Benefield is charged with injury to a child causing serious bodily injury or death.
He's being held in the Wichita County Jail.
Bond has not yet been set.
On Feb. 8, police were called to a home in the 43-hundred block of McNiel.
When they arrived, they found a four-month-old boy unresponsive and bleeding from the mouth.
The child was transported to the hospital by ambulance and was then taken by helicopter to Cook's Children's Hospital in Fort Worth.
The infant died four days later.