Texas Brothers were accused of beating their stepfather to death for sexually abusing their 9-year-old sister.
Detectives have arrested 18-year-old Alejandro Trevino, 17-year-old Christian Trevino, and 18-year-old Juan Eduardo Melendez in connection with the death of 42-year-old Gabriel Quintanilla, whose body was found in a field in McAllen on Thursday, Jan. 20.
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