The 39-year-old director of Noticias Web de Oaxaca died after being shot at least five times while he was with his son in his recording studio located in the town of Salina Cruz in the state of Oaxaca.
According to media reports, minutes after the attack, the police identified the alleged perpetrators and pursued them until they were apprehended.
While it was immediately known whether Vázquez had previously received threats against him, reports to this effect by some media outlets were investigated by the authorities.