Two women were found dead in a home on Mile 6 West and Mile 11 North on Saturday morning.
Deputies responded to a call around 10:30 a.m. and found the two bodies inside the home north of Weslaco.
How they died is unclear at this point, but an alert has been sent out for a man who could be related to their deaths.
Authorities are searching for a 200 lb Hispanic male driving a 2012 White Ford Focus.
He is considered "Armed and Dangerous".
Hidalgo County Sheriff's Deparment is investigating.
Action 4 News will provide more information as new details become known.