Police Arrest Smiling Sisters Cookie and Kitty as the Motive Behind the Murder of a Texas Mother Has OFFICIALLY BEEN REVEALED
Smiling Sisters Cookie and Kitty Arrested as Police Probe Motive Behind Texas Mother’s Brutal Killing
A shocking murder case in Del Rio, Texas, has drawn national attention after two sisters, Amaya “Cookie” Diaz, 19, and Kitty Mia Diaz, 21, were arrested in connection with the fatal stabbing of 32-year-old Caroline “Caro” Peña, a mother of five. A third woman, Kyandra Renee Faz, 21, was also arrested and charged in the case. Authorities say all three women are facing murder charges after Peña was attacked in broad daylight on June 25, 2026.
The case became even more disturbing after footage reportedly showed the Diaz sisters smiling and appearing carefree while being taken into custody. The images quickly spread online, fueling public outrage and raising questions about what could have led to such a violent attack against a young mother.
According to police, the attack happened on East 10th Street in Del Rio. Peña was taken to Val Verde Regional Medical Center with serious stab wounds before being transferred to a hospital in San Antonio, where she later died from her injuries. Friends and relatives have described her death as sudden, senseless, and devastating for the five children she left behind.
Investigators said surveillance footage and witness statements helped identify the suspects. Police allege that Cookie Diaz exited a vehicle with a knife and stabbed Peña in the back. Authorities further allege that Kitty Diaz and Kyandra Faz then joined in the assault before the suspects fled.
While the exact motive has not been officially confirmed, police have said the women knew Peña. That detail has become central to the investigation, suggesting the killing may not have been random. According to reports, Faz allegedly told investigators that Peña had come to her residence looking for a fight, though Del Rio Police Chief Frank Ramirez stressed that nothing justified the violence that followed.
For Peña’s loved ones, the pain has been made worse by the public nature of the attack and the suspects’ behavior after the arrests. One of Peña’s friends, Christina Salinas, said she missed a call from Peña shortly before the stabbing and now lives with the heartbreaking thought that answering may have changed what happened.
The three suspects are being held on $5 million bonds each. As the investigation continues, authorities are expected to examine surveillance footage, witness accounts, the relationship between the women, and any prior conflict that may explain why a confrontation escalated into a deadly stabbing.
The killing of Caroline Peña has left Del Rio shaken. What began as a violent street attack has now become a deeply troubling case about alleged rage, unresolved conflict, and a mother whose life ended in front of a community still searching for answers.
For now, police say the motive remains under investigation. But one fact has already become clear: five children lost their mother, and three young women now face the possibility of spending their lives behind bars if convicted.
