Three people accused of running an illegal cockfighting operation in La Blanca, where masked gunmen killed three people and injured eight others, face organized crime charges.
Friday afternoon, 51-year-old Heriberto Leandro, his wife, 52-year-old Leticia Leandro, and 37-year-old Humberto Blanco, faced a judge.
Hidaldo County Sheriff's officials said the Leandros owned the property and rented it to Blanco, who is accused of running the fights.
All three suspects also face cockfighting charges.
"Now we have three capital murders and eight attempted, said Sheriff Lupe Trevio. We promise you we will act.
Masked gunmen ambushed a cockfight Thursday on the ranch near Edcouch, about 15 miles northeast of McAllen.
The gunmen killed two brothers, ages 49 and 53 and a 42-year-old man.
The gunmen remain at large.