Estuar Roelio Quinonez was a 16-year-old Guatemalan male who was killed on June 13, 2016, in Missouri City, Texas. On the day he died he was lured to Buffalo Run Park by several MS-13 members and was shot more than 15 times while sitting on a bench.

Investigators linked his killing to his having witnessed the slaying of rival gang member Noe Mendez; his reported willingness to testify made him a target.

This was a brazen attack on a cooperating witness and a serious example of gang violence; anyone who knew Estuar, saw him in the days before June 13, 2016, or has information about the events at Buffalo Run Park is asked to come forward.