Bone-chilling new video captures the moment a former Mexican beauty queen is gunned down in front of her baby — allegedly by her jealous mother-in-law.

Almost more grim is the callous, almost nonchalant reaction by Carolina Flores Gomez’s husband after finding that his mother had allegedly executed his wife and the mother of his child.

The 27-year-old new mom, who was Miss Teen Universe for Baja California in 2017, is seen at home in the wealthy neighborhood of Polanco with her mother-in-law, Erika Herrera, when the tragic shooting took place on April 15, according to the clip obtained by the Spanish-language outlet Reforma.

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Gomez, wearing a white-patterned robe, is shown walking in the living room of the luxury pad, where a playpen, a stroller and children’s toys are set up, then walks toward the back of the house with Maria following behind her, according to the footage.

A split second later, a shot rings out in the background, followed by a scream and several more shots.