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MS-13 gang member sentenced to 50 years in prison for killing witness

June 17, 2021 

Jose Guerra Sibrian, a 37-year-old member of the MS-13 gang, was sentenced to 50 years in prison after pleading guilty to his role in the 2016 slaying of a Houston teenager, Harris County District Attorney Kim Ogg announced Thursday.

“We will continue to hold gang members accountable for their brutal, illegal actions that terrorize entire communities,” Ogg said. “Targeting a witness is a vicious crime, and we will continue to seek justice for the victims and their families.”

On June 13, 2016, Sibrian and several other gang members lured 16-year-old Estuar Quinonez to Buffalo Run Park in Missouri City, where he was shot more than 15 times, as he sat on a park bench. Quinonez had witnessed several gang-related murders, and his killers wanted to ensure that he would never talk.

Guerra Sibrian pleaded guilty this week and was sentenced by a judge. A co-defendant in the murder, Douglas Alexander Herrera-Hernandez, was found guilty by a jury and sentenced by a judge to life in prison without the possibility of parole.

Herrera-Hernandez had admitted to calling gang leaders in El Salvador to get permission to kill Quinonez. He then arranged to have several other gang members, including Guerra Sibrian, hide in the park, while others picked up Quinonez and took him to the park.

MS-13, or Mara Salvatrucha, is a transnational gang that has members across the United States.

The cases were prosecuted by the Gangs and Organized Crime Division of the Harris County District Attorney’s Office and jointly investigated by the Houston Police Department and Missouri City Police Department.

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