Arrest Made in Murder Case of Missing Dallas ISD Teacher’s Aide

MESQUITE, Texas – A suspect has been arrested in connection with the death of a Dallas ISD teacher’s aide, Jennifer Mendez Olascoaga. Mesquite Police took 34-year-old Sixto Banegas Matute of Balch Springs into custody on Wednesday, Jan. 10, on murder charges.

Olascoaga, 24, was reported missing on September 27, 2021, after she was last seen leaving a mobile home park in Seagoville, Texas. The following morning, her car was discovered abandoned on Lawson Road without her purse or phone, sparking a widespread search effort.

Human remains found in Mesquite near I-20 in October were later identified as those of Olascoaga. The Dallas County ME’s Office ultimately ruled her death a homicide.

The investigation into Olascoaga’s death remains active and ongoing. Police have not released further details about the case or a potential motive for the murder.

This arrest brings hope to Olascoaga’s loved ones for closure and justice, but the details of the case and the emotional impact on her family and community continue to unfold as the investigation progresses.