Ana Vivian Cardenas was 22 when she was shot and killed inside a west Phoenix residence on Monday, August 3, 2020. She worked as a medical assistant and was remembered for enjoying dancing and socializing, and for her radiant smile and infectious laugh.

Witnesses reported hearing a single gunshot that morning and seeing several people fleeing the house. Officers found Cardenas inside the home with a gunshot wound; emergency responders pronounced her dead at the scene. Investigators said an argument escalated into a fatal confrontation. In the days after the shooting, police identified a person of interest and on Thursday, August 6, 2020, 42-year-old Robert Pena was arrested; he was taken into custody on suspicion of possession of a weapon by a prohibited possessor and Phoenix police confirmed his involvement in Cardenas’s death. The specific relationship between Cardenas and the person arrested and the details of the argument were not clear in the immediate aftermath.

If anyone knew Ana, who she spent time with, or has information about what happened that morning, please share what is known.