Overview

• Firefighters discovered Adriana Miriam Velázquez, 52, and her daughter Mariana Belén Bustos, 25, dead in a bedroom after a pre-dawn blaze at a home on Santa Fe 2300 in the Thompson neighborhood.
• Forensic teams found fuel traces and forced doors, and noted the daughter’s motorcycle had a missing fuel cap and cut hoses, indicating the fire may have been set to destroy evidence.
• Neighbors reported hearing detonations resembling gunshots and seeing a person leave on a red motorcycle, leads now being cross-checked with public and private security cameras.
• The investigation, led by homicide prosecutor Jorge Viego, includes witness interviews, scene processing and video analysis, and no arrests have been made.
• Relatives say the women had received threats and mention a man linked to the mother, a line of inquiry under review but not supported by formal charges.