Hidalgo County Sheriff Deputies launch a manhunt after four people are shot on Mile 10 and La Homa.
Sheriff Lupe Trevino told Action 4 News two males were shot in the head.
At least one has been pronounced dead.
A third victim, a woman, was also shot, but her condition is unknown.
A baby, the fourth victim, was either shot or grazed by a bullet.
The motive for the shooting is unknown.
The Hidalgo County Sheriff TMs Department is expected to address the media before 10 p.m. Tuesday night.
Action 4 News is on the scene and will bring you more information as it becomes available.
For now, the U.S. Border Patrol is assisting with the manhunt.
The Sheriff TMs department has helicopters, K-9 police and the U.S. Border Patrol searching the rural area of the county for a male subject.