Texas Sisters Kitty Mia Diaz and Amaya Cookie Diaz Charged with Murder in Brutal Stabbing of Young Mother-of-Five in Del Rio.

A peaceful afternoon in Del Rio, Texas, turned into a nightmare when 32-year-old Caroline “Caro” Peña, a devoted mother of five, was allegedly stabbed multiple times in a shocking attack. Three young women—sisters Kitty Mia Diaz, 21, and Amaya “Cookie” Diaz, 19, along with their 21-year-old friend Kyandra Renee Faz—were quickly arrested and charged with murder. Video footage of the arrests shows the Diaz sisters being led from a home to patrol cars, with one appearing barefoot and scantily clad while flashing unsettling smiles and even sarcastically yelling at someone recording. This disturbing behaviour has only intensified the horror surrounding the death of a young mum taken too soon.
Police responded to Val Verde Regional Medical Center around 2:10 PM on June 25 after reports of a woman with multiple stab wounds. The assault occurred in the 800 block of East 10th Street. Despite efforts to save her, Caro Peña succumbed to her injuries, leaving behind five children who must now face life without their mother. Detectives swiftly identified the suspects, locating and arresting the Diaz sisters without incident around 4 PM, followed by Faz shortly after. All three were booked and transported to a correctional facility pending further proceedings.
Caro Peña was remembered fondly by those who knew her as a “great mom” who loved her children deeply. Her sudden, violent death in what authorities described as a confronting scene has devastated family and friends. Neighbours and the broader Del Rio community are grappling with how such brutality could erupt in their midst. While a clear motive has not been publicly detailed, the speed of the arrests suggests investigators pieced together evidence rapidly from the scene and witnesses.
The arrest video has gone viral for all the wrong reasons. Kitty Mia Diaz, seen walking barefoot and lightly dressed, grinned toward cameras. Her younger sister Amaya “Cookie” Diaz also smiled widely before sarcastically shouting “Stop recording!” These reactions—appearing carefree or even amused mere hours after the alleged attack—have sparked outrage and questions about their mindset. In true crime cases, such demeanour often fuels public fascination and speculation, contrasting sharply with the profound grief of the victim’s family.
From a deeper perspective, this tragedy highlights the devastating ripple effects of violence. Caro Peña’s five children are now motherless, their lives irrevocably altered by a single violent encounter. As a young mum in her early 30s, she represented countless parents striving to provide and nurture—only to have it end abruptly. The suspects, barely out of their teens, now face life-changing consequences. This case raises uncomfortable questions about youth violence, conflict escalation, and the factors that lead to such irreversible acts. While justice moves forward with murder charges, nothing can restore what was lost for Peña’s family.
Del Rio, a small city near the Mexico border, is no stranger to challenges, but a daylight stabbing of a mother stands out as particularly heinous. The involvement of multiple young women adds another layer of intrigue to the investigation, with police noting more charges could follow. For the community, the arrests bring some closure but cannot erase the trauma. Supporters of Peña’s family emphasise remembering her as a loving mother rather than focusing solely on the suspects’ chilling post-arrest behaviour.
This incident serves as a grim reminder of how quickly everyday life can turn tragic. Caro Peña’s story deserves focus: a woman who poured her heart into raising five kids, now reduced to a memory for her children. As the legal process unfolds, one hopes for answers that provide some measure of peace for her loved ones. In the meantime, the unsettling images from the arrests underscore a broader societal issue—how some individuals respond to alleged crimes with apparent indifference or defiance, deepening the pain for victims’ families. Del Rio and the nation watch as this case progresses, seeking justice for a mother gone far too soon.